Product Details | FLAT WASHER

5310-00-291-8958 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: 12A8178, 2109934, 24DM30, 25179J, 373807, 5225885, 5X429, 9A0516, 5310-00-291-8958, 00-291-8958, 5310002918958, 002918958

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-291-8958

Drawings & Photos | NSN 5310-00-291-8958


Cross Reference | NSN 5310-00-291-8958

Part Number Cage Code Manufacturer
12A8178 95201 NAPCO INTERNATIONAL LLC
2109934 24617 GENERAL MOTORS CORP
2109934 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS
24DM30 59875 EATON INDUSTRIAL CORPORATION DBA ARGO-TECH
25179J 56442 DIAMOND REO TRUCK CO
373807 65282 WHITE MOTOR CORP
5225885 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
5X429 19107 DART TRUCK CO
5X429 56442 DIAMOND REO TRUCK CO
5X429 59690 KOEHRING CO LORAIN DIV
5X429 78500 MERITOR HEAVY VEHICLE SYSTEMS LLC DIV MERITOR HEAVY VEHICLE SYSTEMS,
5X429 8E499 KOEHRING CRANES AND EXCAVATORS INC SUB OF NORTHWEST ENGINEERING CO
9A0516 62265 VOLVO TRUCKS NORTH AMERICA INC. DBA FOREIGN PARENT IS VOLVO

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Technical Data | NSN 5310-00-291-8958

Characteristic Specifications
HARDNESS RATING 60.0 SHORE DUROMETER A NOMINAL
HOLE DIAMETER 1.109 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 1.938 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.188 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5310-00-291-8958

Category Code Description
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.
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 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 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