NSN 5310-00-740-2498

Part Details | FLAT WASHER

5310-00-740-2498 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: CS23000001, CS-2300-0001, 12P412811, 12P4128-11, LM12P4128, 7402498, 5310-00-740-2498, 00-740-2498, 5310007402498, 007402498

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-740-249813393 ( WASHER, FLAT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR

ROUND

ROUND

Cross Reference | NSN 5310-00-740-2498
Part Number Cage Code Manufacturer
CS-2300-000116236DLA LAND AND MARITIMEDBA ENGINEERING AND TECHNICAL
12P4128-1181755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
LM12P412881755LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
740249819207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 5310-00-740-2498
Characteristic Specifications
HARDNESS RATINGRCB40.0 ROCKWELL C MAXIMUM AND 45.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.756 INCHES MINIMUM AND 0.776 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE ROUND
OVERALL DIAMETER1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE ROUND
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
THICKNESS0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM