NSN 5310-01-266-3961

Part Details | FLAT WASHER

5310-01-266-3961 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: 12345525, 5310-01-266-3961, 01-266-3961, 5310012663961, 012663961

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 24, 198701-266-396113393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-01-266-3961
Part Number Cage Code Manufacturer
1234552519207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5310-01-266-3961
Characteristic Specifications
HARDNESS RATING22.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.381 INCHES MINIMUM AND 0.401 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER1.198 INCHES MINIMUM AND 1.200 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.090 INCHES NOMINAL
SPECIAL FEATURESMATL STEEL 1040 TO 1050,SPEC QQ- -S-700,FINAL PROTECTION FINISH PLATING CADMIUM,TYPEII,CLASS 2,SPEC QQ-P-416;END ITEM ALL M1 CBT TANKS