NSN 5310-01-180-5975

Part Details | FLAT WASHER

5310-01-180-5975 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: 38295561, 3829556-1, 5310-01-180-5975, 01-180-5975, 5310011805975, 011805975

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 31, 198401-180-597513393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-01-180-5975
Part Number Cage Code Manufacturer
3829556-182577RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 5310-01-180-5975
Characteristic Specifications
HARDNESS RATING55.0 ROCKWELL C MINIMUM AND 59.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER0.458 INCHES MINIMUM AND 0.468 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.085 INCHES NOMINAL
OUTSIDE LEFT CORNER CHAMFER ANGLE40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
OUTSIDE RIGHT CORNER CHAMFER ANGLE40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM