Product Details | FLAT WASHER

5310-01-296-2880 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: 54976711, 5497671-1, 5310-01-296-2880, 01-296-2880, 5310012962880, 012962880

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 17 MAR 1989 01-296-2880

Drawings & Photos | NSN 5310-01-296-2880


Demand History | NSN 5310-01-296-2880

Part Number Request Date QTY Origin
5497671-1 2023-04-101 45 United States
5310-01-296-2880 2022-09-261 191 DIBBS
5310-01-296-2880 2022-06-158 361 DIBBS
5310-01-296-2880 2022-03-75 229 DIBBS
5310-01-296-2880 2021-08-220 37 DIBBS
5310-01-296-2880 2018-09-249 226 DIBBS
5310-01-296-2880 2018-08-241 226 DIBBS
5310-01-296-2880 2018-02-44 80 United States
5310-01-296-2880 2018-02-40 73 United States
5310-01-296-2880 2018-02-32 80 United States
5310-01-296-2880 2014-04-110 813 DIBBS
5310-01-296-2880 2014-04-91 782 DIBBS
5310-01-296-2880 2013-06-179 782 DIBBS
5310-01-296-2880 2012-11-313 374 DIBBS
5310-01-296-2880 2012-09-268 60 DIBBS
5310-01-296-2880 2012-09-249 40 DIBBS
5310-01-296-2880 2012-08-226 6 DIBBS

Cross Reference | NSN 5310-01-296-2880

Part Number Cage Code Manufacturer
5497671-1 53711 NAVAL SEA SYSTEMS COMMAND
5497671-1 5D286 LOCKHEED MARTIN CORP LOCKHEED MARTIN LABORATORIES

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Technical Data | NSN 5310-01-296-2880

Characteristic Specifications
MATERIAL STEEL OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A36 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER 0.780 INCHES MINIMUM AND 0.789 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 4 DEE
WIDTH 1.640 INCHES NOMINAL
OVERALL DIAMETER 2.000 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.250 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-01-296-2880

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 KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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 5310-01-296-2880

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
EA : Each