NSN 5310-00-043-0521

Part Details | FLAT WASHER


5310-00-043-0521 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: 637211, 6372-11, 6372, 637211, 6372-11, 5310-00-043-0521, 00-043-0521, 5310000430521, 000430521

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 11, 196700-043-052113393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND


Cross Reference | NSN 5310-00-043-0521
Part Number Cage Code Manufacturer
6372-1138597LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
637204939LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
6372-1194939MUNDEAN MFG CO

Technical Data | NSN 5310-00-043-0521
Characteristic Specifications
HOLE DIAMETER0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM