NSN 5310-01-311-0003

Part Details | FLAT WASHER

5310-01-311-0003 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: 12367361, 5310-01-311-0003, 01-311-0003, 5310013110003, 013110003

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 17, 198901-311-000313393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-01-311-0003
Part Number Cage Code Manufacturer
1236736119207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5310-01-311-0003
Characteristic Specifications
HOLE DIAMETER1.000 INCHES NOMINAL
PERIPHERAL SHAPE STYLE0 ROUND
WIDTH ACROSS FLATS4.000 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.094 INCHES NOMINAL
SPECIAL FEATURESNO CHROMATE WITH 1100 OR 5052 ALLOYS,WHICH COME FROM MIL-S-22499 SHIM STOCK