NSN 5310-01-381-9974

Part Details | FLAT WASHER

5310-01-381-9974 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: 12417948005, 12417948-005, 12417948005, 12417948-005, DIN440 R13.5100 HVA3D, DIN-440 R13.5100 HV-A3D, 12417948005, 12417948-005, 12417948, 5310-01-381-9974, 01-381-9974, 5310013819974, 013819974

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 26, 199301-381-997413393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-01-381-9974
Part Number Cage Code Manufacturer
12417948-005076M6BAE SYSTEMS LAND & ARMAMENTS L.P.
12417948-0050FW39BAE SYSTEMS TACTICAL VEHICLE SYSTEMSLP
DIN-440 R13.5100 HV-A3DD8286DIN DEUTSCHES INSTITUT FUER NORMUNGE. V.
12417948-00519207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
1241794819207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5310-01-381-9974
Characteristic Specifications
HOLE DIAMETER13.5 MILLIMETERS MINIMUM AND 13.9 MILLIMETERS MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER42.0 MILLIMETERS MINIMUM AND 44.0 MILLIMETERS MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS3.4 MILLIMETERS MINIMUM AND 4.6 MILLIMETERS MAXIMUM