Product Details | FLAT WASHER

5310-01-025-1621 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: 1557061, 5310-01-025-1621, 01-025-1621, 5310010251621, 010251621

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 27 JUL 1976 01-025-1621

Drawings & Photos | NSN 5310-01-025-1621


Demand History | NSN 5310-01-025-1621

Part Number Request Date QTY Origin
5310-01-025-1621 2023-04-111 557 DIBBS
5310-01-025-1621 2023-04-103 557 DIBBS
5310-01-025-1621 2023-01-29 100 DIBBS
5310-01-025-1621 2022-11-325 50 DIBBS
5310-01-025-1621 2022-07-198 50 DIBBS
5310-01-025-1621 2022-06-152 10 DIBBS
5310-01-025-1621 2021-11-333 388 DIBBS
5310-01-025-1621 2021-11-321 388 DIBBS
5310-01-025-1621 2015-07-210 760 DIBBS
1557061 2014-09-267 20 GR
5310-01-025-1621 2014-09-267 20 MANUAL
5310-01-025-1621 2012-10-290 533 DIBBS
5310-01-025-1621 2010-03-65 38 DIBBS

Cross Reference | NSN 5310-01-025-1621

Part Number Cage Code Manufacturer
1557061 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 5310-01-025-1621

Characteristic Specifications
MATERIAL STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AISI ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.093 INCHES NOMINAL
MANUFACTURERS CODE 10001
DESIGN CONTROL REFERENCE 1557061

Restrictions/Controls & Freight Information | NSN 5310-01-025-1621

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.
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 10 U.S. Mint
Philadelphia, PA 19106
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 5310-01-025-1621

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
H
EA : Each