Product Details | FLAT WASHER

5310-00-187-2398 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: AN960PD6L, AN960PDL6, FFW92, FF-W-92, LD15300110007, LD153-0011-0007, 004003081019, 004-003081-019, 8137489, 5310-00-187-2398, 00-187-2398, 5310001872398, 001872398

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-187-2398

Drawings & Photos | NSN 5310-00-187-2398


Demand History | NSN 5310-00-187-2398

Part Number Request Date QTY Origin
5310-00-187-2398 2025-06-175 1 US
FFW92 2025-06-161 16 United States
AN960PD6L 2024-09-268 30 Spain
AN960PD6L 2024-09-267 44 Spain
FF-W-92 2023-01-18 60 Saudi Arabia
FFW92 2018-07-207 2 United States
AN960PD6L 2018-05-124 4 United States
AN960PD6L 2017-03-79 10 United States
FFW92 2016-08-217 21 US
AN960PD6L 2012-11-310 50
5310-00-187-2398 2012-01-13 250 United States
AN960PD6L 2011-11-305 50 United States
AN960PD6L 2011-11-305 100 US
FFW92 2011-10-304 495 United States
5310-00-187-2398 2011-02-49 100 NATO
AN960PD6L 2010-12-355 100 United States
AN960PD6L 2009-10-294 100 Canada
AN960PDL6 2008-09-248 12 US

Cross Reference | NSN 5310-00-187-2398

Part Number Cage Code Manufacturer
004-003081-019 26916 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MULTIPLE
5310001872398 SCY13 E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
8137489 18876 U S ARMY AVIATION AND MISSILE COMMAND
AN960PD6L 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN960PDL6 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
FF-W-92 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
LD153-0011-0007 43999 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5310-00-187-2398

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CHROMATE OR ANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
HOLE DIAMETER 0.139 INCHES MINIMUM AND 0.159 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN960PD6L
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-W-92

Restrictions/Controls & Freight Information | NSN 5310-00-187-2398

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 139820 NICKEL BOLTS/NAILS/NUTS/RIVETS ETC
Less than car load rating
Less than truck load rating M 85.0
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 5310-00-187-2398

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
1
HD : Each