Product Details | TUBE COUPLING NUT

4730-00-919-4651 An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes NUT (1), TUBE COUPLING, REDUCING; and NUT (1), UNION.

Part Alternates: MS219214J, MS21921-4J, AS18280, AS21921, CVC4257J4, DV600CJ, MILF18280, MIL-F-18280, VSF12124CC, VSF1212-4CC, 20221600C4, 202-21600C4, 2652291C4, 47810130004, 4781013-0004, 4730-00-919-4651, 00-919-4651, 4730009194651, 009194651

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 10 AUG 1966 00-919-4651

Drawings & Photos | NSN 4730-00-919-4651


Demand History | NSN 4730-00-919-4651

Part Number Request Date QTY Origin
MS219214J 2024-09-254 200 United States
MS219214J 2024-08-242 7 Japan
4730-00-919-4651 2024-07-207 559 DIBBS
4730-00-919-4651 2024-07-196 559 DIBBS
4730-00-919-4651 2024-06-177 30 United States
MS219214J 2024-03-66 20 United States
MS219214J 2023-07-206 200 Germany
MS219214J 2023-05-150 490 United States
MS219214J 2022-08-213 480 United States
MS219214J 2022-08-213 2400 United States
MS219214J 2022-07-194 600 US
MS219214J 2022-05-138 500 United States
MS219214J 2022-05-138 1000 United States
MS219214J 2022-04-96 20 United States
MS219214J 2022-03-69 32 Germany
MS219214J 2021-12-344 32 Germany
MS219214J 2021-08-237 400 United States
MS219214J 2021-08-237 325 United States
MS219214J 2021-08-216 20 United States
MS219214J 2020-10-303 410 United States
MS219214J 2020-04-115 100 Italy
MS219214J 2020-01-13 530 United States
MS219214J 2019-12-340 15 United States
MS219214J 2019-11-315 120 United States
MS219214J 2019-07-206 20 US
MS219214J 2019-04-114 6 United States
4730-00-919-4651 2019-04-97 2193 DIBBS
4730-00-919-4651 2018-10-275 1474 DIBBS
MS219214J 2018-08-232 100 IN
MS219214J 2018-02-53 3000 US
MS219214J 2017-09-271 275 United States
4730-00-919-4651 2017-06-179 10 US
MS219214J 2016-07-195 375 United States
4730-00-919-4651 2016-04-101 2144 DIBBS
MS219214J 2015-03-79 500 IT
MS219214J 2014-11-324 12 US
AS18280 2014-10-280 1 US
4730-00-919-4651 2014-06-152 1771 DIBBS
MS219214J 2014-05-147 45 Spain
MS219214J 2013-06-179 60 US
MS219214J 2013-06-179 120 US
MS219214J 2013-06-179 240 US
AS21921 2013-03-73 20 US
AS21921 2013-03-73 50 US
AS21921 2013-03-73 100 US
AS21921 2013-03-73 20 US
AS21921 2013-03-73 50 US
AS21921 2013-03-73 100 US
MS219214J 2013-03-60 1260 IN
MS219214J 2012-03-79 1000 US
47810130004 2010-05-131 10 US
AS21921 2010-04-95 4 Seychelles
MS219214J 2009-11-329 5 United States
MS219214J 2009-11-329 5 United States
MS219214J 2009-02-47 10 US
MS219214J 2006-08-216 200 Thailand

Cross Reference | NSN 4730-00-919-4651

Part Number Cage Code Manufacturer
202-21600C4 80378 TRIUMPH AEROSTRUCTURES, LLC DBA TRIUMPH AEROSTRUCTURES - VOUGHT
2652291C4 92003 PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS
4730009194651 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
4781013-0004 99657 MAROTTA CONTROLS, INC.
AS18280 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS21921 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
CVC4257J4 80378 TRIUMPH AEROSTRUCTURES, LLC DBA TRIUMPH AEROSTRUCTURES - VOUGHT
DV600CJ 17419 DEUTSCH CO THE
MIL-F-18280 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MS21921-4J 01673 SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS
MS21921-4J 1V757 WESCO AIRCRAFT HARDWARE CORP.
MS21921-4J 66774 PRECISION AIRCRAFT MACHINING COMPANY, INC.
MS21921-4J 80378 TRIUMPH AEROSTRUCTURES, LLC DBA TRIUMPH AEROSTRUCTURES - VOUGHT
MS21921-4J 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21921-4J 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
VSF1212-4CC 92215 ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
VSF1212-4CC C4293 ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH

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Technical Data | NSN 4730-00-919-4651

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.438 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLE A350 TUBE COUPLING
NUT HEIGHT 0.720 INCHES NOMINAL
WIDTH ACROSS FLATS 0.562 INCHES NOMINAL
LENGTH TO SHOULDER 0.547 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 0.300 INCHES NOMINAL
SEAT ANGLE 45.00 DEGREES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER 0.250 INCHES
SPECIFICATION/STANDARD DATA 96906-MS21921 GOVERNMENT STANDARD
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-F-18280
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS21921-4J

Restrictions/Controls & Freight Information | NSN 4730-00-919-4651

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4730-00-919-4651

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic CodeB Rotary Wing Aircraft
Weapons Systems/End Item or Homogeneous GroupBXOH-58D Army Helicopter Improvement Program (AHIP)
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each
Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code2Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Operational Test Code0Items of supply which when properly packaged and placed in storage, do not require the performance of special procedures while in storage, nor prior to issue, and for which it has been determined that existing Care in Stores quality control procedures are adequate.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each