NSN 5310-01-018-1443

Part Details | FLAT WASHER

5310-01-018-1443 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: 6938716, 69387-16, 6938716, 69387-16, 5310-01-018-1443, 01-018-1443, 5310010181443, 010181443

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAR 20, 197601-018-144313393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-01-018-1443
Part Number Cage Code Manufacturer
69387-1673030HAMILTON SUNDSTRAND CORPORATION
69387-1645934ONTIC ENGINEERING AND MANUFACTURING,INC.
Technical Data | NSN 5310-01-018-1443
Characteristic Specifications
HARDNESS RATING23.0 ROCKWELL C MINIMUM
HOLE DIAMETER0.545 INCHES MINIMUM AND 0.549 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER0.779 INCHES MINIMUM AND 0.783 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
SPECIAL FEATURES0.011 IN MIN,0.013 IN MAX THICKNESS
HEAT TREATMENT COLD ROLLED