5342-01-020-5704 LATCH COVER Index 5810-01-020-5706 ENCRYPTION-DECRYPTION SUBASSEMBL

National Stock Number:
5310-01-020-5705

Federal Supply Class:
5310

National Item Identification Number:
010205705

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:
30-1750-891587REXNORD INDUSTRIES, LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING27.0 ROCKWELL C MINIMUM
HOLE DIAMETER1.750 INCHES NOMINAL
OVERALL DIAMETER2.247 INCHES MINIMUM AND 2.252 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.027 INCHES MINIMUM AND 0.032 INCHES MAXIMUM


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