NSN 5310-00-998-5020

Part Details | FLAT WASHER

5310-00-998-5020 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: 21C829005, 21C829-005, 31D54, 10125557101, 10125557-101, 3154, 5310-00-998-5020, 00-998-5020, 5310009985020, 009985020

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 04, 196700-998-502013393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

ROUND

ROUND

Cross Reference | NSN 5310-00-998-5020
Part Number Cage Code Manufacturer
21C829-00504660AIL SYSTEMS INCSUB OF EATON CORP
31D5429964ALLIED DEVICES CORPDBA ABSOLUTE PRECISION CO
10125557-10194580HONEYWELL INTERNATIONAL INC.DBA HONEYWELL
315400141ROLLER BEARING COMPANY OF AMERICA,INC.
Technical Data | NSN 5310-00-998-5020
Characteristic Specifications
HOLE DIAMETER0.257 INCHES NOMINAL
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER0.500 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND
THICKNESS0.078 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT