5310-01-582-5269 WASHER,LOCK Index 5310-01-582-5340 WASHER,SEAL

National Stock Number:
5310-01-582-5294

Federal Supply Class:
5310

National Item Identification Number:
015825294

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:
1301600019200US ARMY ARDEC RDECOM
1302600019200US ARMY ARDEC RDECOM


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER1.125 INCHES NOMINAL
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESMAKE FROM NSN 5310-00-987-1294; HOLE DIA IS .406 INCH


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