Product Details | FLAT WASHER

5310-00-857-8491 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: S8157N166063, S8157N166-063, 5310-00-857-8491, 00-857-8491, 5310008578491, 008578491

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 11-OCT-67 00-857-8491

Drawings & Photos | NSN 5310-00-857-8491


Cross Reference | NSN 5310-00-857-8491

Part Number Cage Code Manufacturer
11687477-3 19204 ARMY UNITED STATES DEPARTMENT OF THE
2142817-1 19315 HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND
2142817-1 55974 HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS
ES138C390D781D1T 20418 DRS SUSTAINMENT SYSTEMS, INC. Use CAGE Code 98255 for cataloging
S8157N166-063 99193 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL

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Technical Data | NSN 5310-00-857-8491

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
HOLE DIAMETER 0.379 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.776 INCHES MINIMUM AND 0.786 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.063 INCHES NOMINAL
SPECIFICATION/STANDARD DATA 70210-S8157 MANUFACTURERS STANDARD
MANUFACTURERS CODE 99193
DESIGN CONTROL REFERENCE S8157N166-063

Restrictions/Controls & Freight Information | NSN 5310-00-857-8491

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
No Freight Information