5340-00-995-8234 CATCH,FRICTION Index 5315-00-995-8240 PIN,QUICK RELEASE

National Stock Number:
5310-00-995-8235

Federal Supply Class:
5310

National Item Identification Number:
009958235

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:
515992802B/E AEROSPACE INC
515998897LOCKHEED MARTIN CORP


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.183 INCHES MINIMUM AND 0.203 INCHES MAXIMUM
OVERALL DIAMETER0.820 INCHES MINIMUM AND 0.920 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-750 FED SPEC ALL MATERIAL RESPONSES AND QQ-W-341 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALCOPPER ALLOY OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM


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