5310-01-517-5998 WASHER,FLAT Index 5310-01-517-6000 WASHER,FLAT

National Stock Number:
5310-01-517-5999

Federal Supply Class:
5310

National Item Identification Number:
015175999

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:
PH-7742-1160GCW4GLOBE ELECTRONIC HARDWARE, INC.
PH-7742-11696906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.116 INCHES NOMINAL
OVERALL DIAMETER0.250 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-79 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC PHENOLIC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.025 INCHES NOMINAL


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