Product Details | RECESSED WASHER

5310-00-279-9083 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Part Alternates: NAS15877C, NAS1587-7C, 10121255 , 30005070 ITEM 73, 30005070ITEM73, 5310-00-279-9083, 00-279-9083, 5310002799083, 002799083

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 15 AUG 1973 00-279-9083

Drawings & Photos | NSN 5310-00-279-9083


Demand History | NSN 5310-00-279-9083

Part Number Request Date QTY Origin
NAS15877C 2025-06-156 21 us
NAS15877C 2024-08-229 13 us
NAS15877C 2024-06-158 86 United Kingdom
NAS15877C 2020-05-125 40 United States
5310-00-279-9083 2018-06-173 1 DIBBS-RFPs
5310-00-279-9083 2016-11-318 5875 DIBBS
NAS15877C 2014-06-164 15 India
NAS15877C 2014-04-99 15 India
NAS15877C 2012-02-44 2 United States
5310-00-279-9083 2008-04-93 10 US

Cross Reference | NSN 5310-00-279-9083

Part Number Cage Code Manufacturer
30005070 ITEM 73 81873 WOODWARD HRT, INC.
NAS1587-7C 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 5310-00-279-9083

Technical Data | NSN 5310-00-279-9083

Characteristic Specifications
MATERIAL STEEL COMP 321 OR STEEL COMP 347
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OR QQ-S-763 FED SPEC ALL MATERIAL RESPONSES
SURFACE TREATMENT PASSIVATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
HARDNESS RATING NOT RATED
HOLE DIAMETER 0.441 INCHES MINIMUM AND 0.451 INCHES MAXIMUM
OUTSIDE DIAMETER 0.781 INCHES NOMINAL
RECESS DIAMETER 0.543 INCHES MINIMUM AND 0.557 INCHES MAXIMUM
MATERIAL THICKNESS 0.078 INCHES NOMINAL
RECESS ANGLE 90.0 DEGREES NOMINAL
SURFACE FINISH 63.0 MICROINCHES TOP 63.0 MICROINCHES BOTTOM
SPECIFICATION/STANDARD DATA 80205-NAS1587 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5310-00-279-9083

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 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5310-00-279-9083

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
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