NSN 5310-01-197-2398

Part Details | FLAT WASHER

5310-01-197-2398 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: 13204E3555, 13203E3555, 13204E3555, 5310-01-197-2398, 01-197-2398, 5310011972398, 011972398

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 19, 198401-197-239813393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-01-197-2398
Part Number Cage Code Manufacturer
13204E355597403CECOM LR CENTER
13203E355597403CECOM LR CENTER
13204E355519207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5310-01-197-2398
Characteristic Specifications
HOLE DIAMETER0.760 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER2.880 INCHES MINIMUM AND 3.060 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.310 INCHES NOMINAL
OUTSIDE LEFT CORNER CHAMFER ANGLE45.0 DEGREES NOMINAL
OUTSIDE RIGHT CORNER CHAMFER ANGLE45.0 DEGREES NOMINAL
SPECIAL FEATURESHOLE CHAMFER 0.030 IN. NOM BY 45.0 DEG NOM, BOTH BEARING SURFACES