NSN 5310-00-637-2101

Part Details | FLAT WASHER

5310-00-637-2101 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: 186, 186, 5310-00-637-2101, 00-637-2101, 5310006372101, 006372101

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-637-210113393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-00-637-2101
Part Number Cage Code Manufacturer
18600198PRATT & WHITNEY CANADA CIE DIVPRATT& WHITNEY CANADA CORP.
18677445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 5310-00-637-2101
Characteristic Specifications
HARDNESS RATINGVFB47.0 VICKERS OR FIRTH DIAMOND PYRAMID AND 52.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.448 INCHES MINIMUM AND 0.458 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM
SPECIAL FEATURESONE SIDE HAS HOLE EDGE ROUNDED WITH 0.020 INCH TO 0.030 INCH RADIUS AND OUTSIDE EDGE TO 1/32 INCH RADIUS