5310-00-240-0346 WASHER,FLAT Index 5310-00-240-0369 WASHER,FLAT

National Stock Number:
5310-00-240-0354

Federal Supply Class:
5310

National Item Identification Number:
002400354

Description:
WASHER,FLAT

Detail:
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.


Manufacturer Information:
5090982423KLEINSCHMIDT INC
879601-0032345DEFENSE REDUCTION AGENCY
SCB6982180063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING71.0 ROCKWELL M MINIMUM AND 118.0 ROCKWELL M MAXIMUM
HOLE DIAMETER0.312 INCHES NOMINAL
OVERALL DIAMETER0.625 INCHES NOMINAL
MATERIALPLASTIC OVERALL
MINIMUM TENSILE STRENGTH8100 POUNDS PER SQUARE INCH
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.125 INCHES NOMINAL


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