Product Details | FLAT WASHER

5310-01-421-1998 A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.

Part Alternates: 28232, 5310-01-421-1998, 01-421-1998, 5310014211998, 014211998

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 03 NOV 1995 01-421-1998

Demand History | NSN 5310-01-421-1998

Part Number Request Date QTY Origin
28232 2024-07-194 1112 DIBBS
28232 2024-06-179 1112 DIBBS
28232 2020-11-309 65 DIBBS
28232 2020-10-281 65 DIBBS
28232 2019-11-317 14 DIBBS
5310-01-421-1998 2019-01-02 16 DIBBS
5310-01-421-1998 2018-11-326 16 DIBBS
5310-01-421-1998 2018-11-322 16 DIBBS
5310-01-421-1998 2018-11-312 16 DIBBS
5310-01-421-1998 2018-10-283 16 DIBBS
5310-01-421-1998 2018-09-248 16 DIBBS
5310-01-421-1998 2018-07-198 23 DIBBS
5310-01-421-1998 2018-05-144 16 DIBBS
5310-01-421-1998 2017-10-297 114 DIBBS
5310-01-421-1998 2017-10-275 25 DIBBS
5310-01-421-1998 2015-04-111 25 DIBBS
5310-01-421-1998 2014-06-166 25 DIBBS
5310-01-421-1998 2014-03-75 25 DIBBS
5310-01-421-1998 2013-09-253 10 DIBBS
5310-01-421-1998 2009-06-155 50 DIBBS
5310-01-421-1998 2009-05-132 50 DIBBS
5310-01-421-1998 2009-02-43 1 DIBBS
5310-01-421-1998 2009-02-43 7 DIBBS

Cross Reference | NSN 5310-01-421-1998

Part Number Cage Code Manufacturer
28232 05624 GE AVIATION SYSTEMS LLC DBA GE AVIATION
28232 56231 GE AVIATION SYSTEMS LLC DBA GE AVIATION

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Restrictions/Controls & Freight Information | NSN 5310-01-421-1998

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:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 KH Defense Industrial Supply Center
Philadelphia, PA 19111
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 5310-01-421-1998

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each