Product Details | BOSS COUPLING

4730-00-278-8868 A straight one-piece fitting 12 inches (304 mm) long or under having the same size fitting on each end (straight machine threads other than pipe or hose series). It may have internal threads on both ends or internal threads on one end and external threads on the other designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It is designed to join two bosses or boss fittings. Excludes items having external threaded connections on both ends.

Part Alternates: AS4875, NAS4246D, NAS424-6D, MILF5509, MIL-F-5509, 7M637, 7M637CT6D, 7M637CT-6D, 10108326 , 4730-00-278-8868, 00-278-8868, 4730002788868, 002788868

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1961 00-278-8868

Drawings & Photos | NSN 4730-00-278-8868


Demand History | NSN 4730-00-278-8868

Part Number Request Date QTY Origin
NAS4246D 2025-08-233 2 United States
4730-00-278-8868 2023-10-293 4 United States
4730-00-278-8868 2021-11-333 2 US
4730-00-278-8868 2019-02-56 63 DIBBS
4730-00-278-8868 2019-02-45 63 DIBBS
MILF5509 2018-07-201 6 United States
4730-00-278-8868 2016-05-133 185 DIBBS
4730-00-278-8868 2013-05-127 169 DIBBS
4730-00-278-8868 2012-07-201 15 United States
4730-00-278-8868 2010-12-361 101 DIBBS
4730-00-278-8868 2010-09-270 44 DIBBS
4730-00-278-8868 2009-11-327 103 DIBBS
MILF5509 2009-10-301 1 PK
MILF5509 2009-02-55 100 US
NAS4246D 2006-07-201 5 United States

Cross Reference | NSN 4730-00-278-8868

Part Number Cage Code Manufacturer
7M637 76301 BOEING COMPANY, THE DBA BOEING
7M637CT-6D 01673 SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS
7M637CT-6D 06581 ALLAN AIRCRAFT SUPPLY CO, LLC
7M637CT-6D 14397 FABER ENTERPRISES, INC.
7M637CT-6D 14798 DESIGNED METAL CONNECTIONS, INC. DBA PERMASWAGE
7M637CT-6D 52930 NELSON AERO SPACE, INC.
7M637CT-6D 76301 BOEING COMPANY, THE DBA BOEING
AS4875 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MIL-F-5509 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
NAS424-6D 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 4730-00-278-8868

Technical Data | NSN 4730-00-278-8868

Characteristic Specifications
MATERIAL ALUMINUM ALLOY OVERALL
SURFACE TREATMENT ANODIZE INSIDE ANODIZE OUTSIDE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
STYLE DESIGNATOR A5 RIGID, SHORT CENTER WRENCHING FACILITY
CONNECTION TYPE THREADED INTERNAL BOSS ALL ENDS
CONNECTION STYLE B9 GASKET SEAL ALL ENDS
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.562 INCHES ALL ENDS
THREAD CLASS 3B ALL ENDS
NOMINAL OVERALL LENGTH 1.188 INCHES
SPECIAL FEATURES WEAPONS SYSTEM ESSENTIAL
SPECIFICATION/STANDARD DATA 81343-AS4875 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 80205-NAS424 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CRITICALITY CODE JUSTIFICATION FEAT

Restrictions/Controls & Freight Information | NSN 4730-00-278-8868

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 051400 PIPE FITTINGS ALUMINUM
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 576 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 4730-00-278-8868

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
5
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
5
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
5
EA : Each