Product Details | TUBE FITTING LOCKNUT

4730-00-277-6372 An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also LOCKNUT, PIPE; NUT (1), TUBE COUPLING and NUT (1), PLAIN, HEXAGON.

Part Alternates: AN62894, AN6289-4, AS4841, AS5179, AS517904, AS5179-04, 10086129 , 47302776372, 4730-277-6372 , 477 713, 477713, 4730-00-277-6372, 00-277-6372, 4730002776372, 002776372

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1961 00-277-6372

Drawings & Photos | NSN 4730-00-277-6372


Demand History | NSN 4730-00-277-6372

Part Number Request Date QTY Origin
AS517904 2023-11-333 1 ES
AN6289-4 2018-11-324 9
4730-00-277-6372 2018-02-36 1097 DIBBS
4730-00-277-6372 2018-01-16 1439 DIBBS
4730-00-277-6372 2018-01-04 50 US
4730-00-277-6372 2017-12-361 2296 DIBBS
4730-00-277-6372 2017-12-353 2296 DIBBS
4730-00-277-6372 2017-08-219 2296 DIBBS
4730-00-277-6372 2017-04-93 862 DIBBS
4730-00-277-6372 2016-01-13 3 Malaysia
AN62894 2014-11-329 1 Thailand
AS517904 2014-02-55 10 United States
AN6289-4 2012-11-310 50
4730-00-277-6372 2011-07-193 1379 DIBBS
AN62894 2011-05-151 200 Canada
4730-00-277-6372 2011-04-102 610 DIBBS
AS4841 2011-03-69 8
AN62894 2011-01-19 200 Canada
4730-00-277-6372 2009-11-327 1295 DIBBS
4730-00-277-6372 2009-10-292 1444 DIBBS
4730-00-277-6372 2009-08-215 356 DIBBS
4730-00-277-6372 2009-02-54 106 DIBBS
4730-00-277-6372 2009-01-09 439 DIBBS
4730-00-277-6372 2008-11-330 106 DIBBS

Cross Reference | NSN 4730-00-277-6372

Part Number Cage Code Manufacturer
4730-277-6372 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
4730002776372 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
477 713 77294 PIPER AIRCRAFT INC.
AN6289-4 14397 FABER ENTERPRISES, INC.
AN6289-4 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS4841 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5179 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5179-04 14397 FABER ENTERPRISES, INC.
AS5179-04 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5179-04 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

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Technical Data | NSN 4730-00-277-6372

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.438 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 1141 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-637,COMP 1141 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT STYLE A391 TUBE FITTING LOCKNUT
NUT HEIGHT 0.281 INCHES NOMINAL
WIDTH ACROSS FLATS 0.688 INCHES NOMINAL
PACKING RECESS DIAMETER 0.608 INCHES NOMINAL
PACKING RECESS DEPTH 0.042 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER 0.250 INCHES
SPECIFICATION/STANDARD DATA 88044-AN6289 GOVERNMENT STANDARD
III END ITEM IDENTIFICATION GRUMMAN A10 AIRCRAFT; CHINOOK HELICOPTER CH-47

Restrictions/Controls & Freight Information | NSN 4730-00-277-6372

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:UPrecious metal type is unknown
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 XX
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 4730-00-277-6372

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 Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
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
1
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
1
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
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.
Echelon Identification CodeKReserved
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
1
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
1
EA : Each