Product Details | RECESSED WASHER

5310-01-021-0900 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: 8535655, 9525655, 5310-01-021-0900, 01-021-0900, 5310010210900, 010210900

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 09 MAY 1976 01-021-0900

Drawings & Photos | NSN 5310-01-021-0900


Demand History | NSN 5310-01-021-0900

Part Number Request Date QTY Origin
9525655 2021-09-257 2011 DIBBS
9525655 2021-09-249 2011 DIBBS
9525655 2021-04-112 1305 DIBBS
9525655 2020-09-261 936 DIBBS
5310-01-021-0900 2020-04-113 1 DIBBS-RFPs
9525655 2020-04-107 728 DIBBS
5310-01-021-0900 2018-08-219 1000 DIBBS
5310-01-021-0900 2018-07-197 400 DIBBS
5310-01-021-0900 2018-07-185 299 DIBBS
5310-01-021-0900 2017-10-295 792 DIBBS
5310-01-021-0900 2017-10-276 1067 DIBBS
5310-01-021-0900 2017-08-220 641 DIBBS
5310-01-021-0900 2017-06-157 207 DIBBS
5310-01-021-0900 2017-03-73 207 DIBBS
5310-01-021-0900 2016-07-199 181 DIBBS
5310-01-021-0900 2016-02-35 256 DIBBS
5310-01-021-0900 2015-09-256 952 DIBBS
5310-01-021-0900 2015-05-131 270 DIBBS
5310-01-021-0900 2015-03-61 500 DIBBS
9525655 2011-02-59 100

Cross Reference | NSN 5310-01-021-0900

Part Number Cage Code Manufacturer
8535655 0GDP5 AERO BRAKE & SPARES, INC
9525655 73842 GOODYEAR TIRE AND RUBBER CO THE
9525655 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5310-01-021-0900

Characteristic Specifications
MATERIAL STEEL COMP 4140 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR 15 RECESS
HOLE DIAMETER 0.759 INCHES NOMINAL
OUTSIDE DIAMETER 1.250 INCHES NOMINAL
RECESS DIAMETER 0.900 INCHES NOMINAL
MATERIAL THICKNESS 0.250 INCHES NOMINAL
RECESS ANGLE 90.0 DEGREES NOMINAL
MANUFACTURERS CODE 73842
DESIGN CONTROL REFERENCE 9525655

Restrictions/Controls & Freight Information | NSN 5310-01-021-0900

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 SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
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 5310-01-021-0900

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 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
1
EA : Each