Product Details | TUBE COUPLING INVERTED NUT

4730-00-278-5490 An externally threaded fastening device which has an internal or external seat, designed to mate with the seat of an internally threaded tube fitting for the purpose of securing the tube to the fitting to form a leakproof connection.

Part Alternates: X1086T38, 6100X2, 81TS2, 81TS-2, 10610002, 106-10002, 10610102, 106-10102, 121634, 181D18, 181D1-8, 2050110, 2-050110, 4730-00-278-5490, 00-278-5490, 4730002785490, 002785490

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1963 00-278-5490

Drawings & Photos | NSN 4730-00-278-5490


Demand History | NSN 4730-00-278-5490

Part Number Request Date QTY Origin
6100X2 2021-06-154 213 DIBBS
6100X2 2021-05-127 213 DIBBS
6100X2 2021-04-112 213 DIBBS
6100X2 2020-10-282 77 DIBBS
4730-00-278-5490 2018-08-242 120 DIBBS
4730-00-278-5490 2018-08-233 45 DIBBS
4730-00-278-5490 2018-06-179 184 DIBBS
4730-00-278-5490 2018-05-149 72 DIBBS

Cross Reference | NSN 4730-00-278-5490

Part Number Cage Code Manufacturer
106-10002 79470 DANA CORP WEATHERHEAD DIV
106-10102 04255 DANA CORP WAREHOUSE OPNS
121634 24617 GENERAL MOTORS CORP
181D1-8 30327 IMPERIAL
2-050110 01276 EATON-AEROQUIP INC DIV FLUID CONNECTORS PRODUCTS
2-050110 04255 DANA CORP WAREHOUSE OPNS
2-050110 13174 PARKER HANNIFIN CORP HOSE PRODUCTS DIV
2-050110 24617 GENERAL MOTORS CORP
2-050110 30327 IMPERIAL
2-050110 30760 INGERSOLL RAND CO
2-050110 56442 DIAMOND REO TRUCK CO
2-050110 72582 MTU AMERICA INC.
2-050110 79470 DANA CORP WEATHERHEAD DIV
2-050110 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
6100X2 01276 EATON-AEROQUIP INC DIV FLUID CONNECTORS PRODUCTS
6100X2 79470 DANA CORP WEATHERHEAD DIV
81TS-2 93061 PARKER-HANNIFIN, CORPORATION DBA BRASS PRODUCTS DIV
X1086T38 30760 INGERSOLL RAND CO

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Technical Data | NSN 4730-00-278-5490

Characteristic Specifications
MATERIAL BRASS
STRENGTH RATING NOT RATED
CASEHARDENING INDICATOR NOT CASEHARDENED
MATERIAL HARDNESS RATING NOT RATED
FABRICATION METHOD ANY ACCEPTABLE
STYLE DESIGNATOR A4 INVERTED NUT, TUBE, COMPRESSION
OVERALL LENGTH 0.500 INCHES NOMINAL
SEAT RADIUS 0.219 INCHES NOMINAL
WIDTH ACROSS FLATS 0.313 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 0.128 INCHES NOMINAL
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED 0.125 INCHES NOMINAL
THREAD SIZE 5/16-24
SCREW THREAD SERIES DESIGNATOR UNF
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
SPECIAL FEATURES WEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATION FEAT
III END ITEM IDENTIFICATION SUPPORT EQUIPMENT--C-5 AIRCRAFT, T-38 AIRCRAFT, B-52 AIRCRAFT, T-37 AIRCRAFT, OV-10A AIRCRAFT; AIRCRAFT, F-16; SHOP EQUIPMENT, CONTACT MAINT, TRK-MTD, SET 3, TAM B19457; TRACTOR, FLIGHTLINE TOWING

Restrictions/Controls & Freight Information | NSN 4730-00-278-5490

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:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Category Code Description
NMF Description 093460 BOLTS/NUTS NOI BBC/ZINC
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 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 4730-00-278-5490

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
M
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.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
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
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
M
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.
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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
M
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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
M
EA : Each