Product Details | RECESSED WASHER

5310-00-483-6251 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: 008263, 00826-3, 5112930, 51129-30, 5310-00-483-6251, 00-483-6251, 5310004836251, 004836251

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-483-6251

Drawings & Photos | NSN 5310-00-483-6251


Demand History | NSN 5310-00-483-6251

Part Number Request Date QTY Origin
008263 2025-01-16 4 United States

Cross Reference | NSN 5310-00-483-6251

Part Number Cage Code Manufacturer
00826-3 14153 DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER
51129-30 73030 HAMILTON SUNDSTRAND CORPORATION

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Technical Data | NSN 5310-00-483-6251

Characteristic Specifications
MATERIAL DOCUMENT AND CLASSIFICATION AMS 4630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR 28 RECESSED BOTH SIDES
HOLE DIAMETER 0.756 INCHES MINIMUM AND 0.776 INCHES MAXIMUM
OUTSIDE DIAMETER 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM
MATERIAL THICKNESS 0.112 INCHES MINIMUM AND 0.116 INCHES MAXIMUM
TOP RECESS DIAMETER 0.828 INCHES NOMINAL
BOTTOM RECESS DIAMETER 0.828 INCHES NOMINAL
BOTTOM RECESS ANGLE 90.0 DEGREES NOMINAL
TOP RECESS ANGLE 90.0 DEGREES NOMINAL
SPECIAL FEATURES CHAMFER OUTSIDE EDGES 0.031 INCH BY 45 DEGREES
MANUFACTURERS CODE 73030
DESIGN CONTROL REFERENCE 51129-30

Restrictions/Controls & Freight Information | NSN 5310-00-483-6251

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 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 5310-00-483-6251

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 CodesPRESTRICTED REQUISITION - SECURITY ASSISTANCE PROGRAM (SAP) 1. Indicates item is stocked or acquired only for SAP (replaces Military Assistance Program (MAP)) requirements, or 2. Indicates item is nonstocked and materiel is ordered from the contractor for shipment directly to the foreign government. 3. Base, post, camp, or station will not requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each