5310-00-025-7211 WASHER,FLAT Index 5310-00-025-7213 WASHER,FLAT

National Stock Number:
5310-00-025-7212

Federal Supply Class:
5310

National Item Identification Number:
000257212

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:
17647798897LOCKHEED MARTIN CORP


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.6301 INCHES MINIMUM AND 0.650 INCHES MAXIMUM
OVERALL DIAMETER1.160 INCHES MINIMUM AND 1.220 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1010 OVERALL
PERIPHERAL SHAPE STYLEDEE
WIDTH1.040 INCHES MINIMUM AND 1.060 INCHES MAXIMUM
THICKNESS0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM


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