NSN 5310-01-203-7481

Part Details | FLAT WASHER

5310-01-203-7481 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: 12529613, 5310-01-203-7481, 01-203-7481, 5310012037481, 012037481

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 18, 198501-203-748113393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-01-203-7481
Part Number Cage Code Manufacturer
1252961319206ARMY, UNITED STATES DEPARTMENT OFTHE
Technical Data | NSN 5310-01-203-7481
Characteristic Specifications
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE DIAMETER10.3 MILLIMETERS NOMINAL
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER40.0 MILLIMETERS NOMINAL
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS5.0 MILLIMETERS NOMINAL
SPECIAL FEATURESPROTECTIVE FINISH A7309999