3020-00-481-3663 GEAR,DRIVE MOTION Index 6685-00-481-3666 THERMOSTAT,BATTERY

National Stock Number:
5310-00-481-3664

Federal Supply Class:
5310

National Item Identification Number:
004813664

Description:
WASHER,FLAT

Detail:
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.


Manufacturer Information:
10564638-118876U S ARMY AVIATION AND MISSILE COMMAND
1492253-000196774HONEYWELL INTERNATIONAL INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
OVERALL DIAMETER0.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM


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