5310-01-077-1933 WASHER,FLAT Index 5310-01-077-1936 WASHER,RECESSED

National Stock Number:
5310-01-077-1934

Federal Supply Class:
5310

National Item Identification Number:
010771934

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:
2256-F14106540NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
2256-F1411YGB8CAREY MANUFACTURING CO, INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM
OVERALL DIAMETER0.307 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-F-1148 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCELLULOSE OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM


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