5310-01-415-5216 WASHER,FLAT Index 5305-01-415-5218 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5310-01-415-5217

Federal Supply Class:
5310

National Item Identification Number:
014155217

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:
61680389749CLARK MATERIAL HANDLING COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.654 INCHES MINIMUM AND 0.665 INCHES MAXIMUM
MATERIALSTEEL COMP 1020 OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM
SPECIAL FEATURESSURFACE TREATMENT IRON PHOSPHATE OR PRIME PAINT OR FINISH PAINT (MATTE BLACK)
THICKNESS0.244 INCHES MINIMUM AND 0.256 INCHES MAXIMUM


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