NSN 5310-00-637-3730

Part Details | FLAT WASHER

5310-00-637-3730 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.

Alternate Parts: RA56354, RA5635-4, RA56354, RA5635-4, RA56354, RA5635-4, 5310-00-637-3730, 00-637-3730, 5310006373730, 006373730

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196000-637-373013393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND W/FLATS

Cross Reference | NSN 5310-00-637-3730
Part Number Cage Code Manufacturer
RA5635-493712ALLIANT DEFENSE ELECTRONICS SYSTEMSINC DBA LUNDY TECHNICAL CENTER
RA5635-475324KILGORE FLARES COMPANY LLC
RA5635-448ZY0MAS COMPONENTS AND COATINGS LLCDIV MAS COMPONENTS & COATINGS, LLC
Technical Data | NSN 5310-00-637-3730
Characteristic Specifications
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER0.540 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND W/FLATS
HOLE WIDTH ACROSS FLATS0.280 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.017 INCHES MINIMUM AND 0.018 INCHES MAXIMUM