5920-01-506-5516 FUSE LINK,ELECTRICAL Index 2040-01-506-5518 MODIFICATION KIT,MARINE HARDWARE

National Stock Number:
5310-01-506-5517

Federal Supply Class:
5310

National Item Identification Number:
015065517

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:
6392803-331442NORTHROP GRUMMAN SYSTEMS CORPORATION
6392803-353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.751 INCHES MINIMUM AND 0.773 INCHES MAXIMUM
OVERALL DIAMETER1.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AMS 5844,HEAT TREATED THEN WORK STRENGTHENED(M+35N) ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEROUND
SPECIAL FEATURESBREAK ALL SHARP EDGES .02X.02 MAX.; SURFACE FINISH TO BE125; HEAT TREAT IN AIR AT 1025-1075 DEG F FOR 4-4.5 HRS FOLLOWED BY AIR COOL
SUPPLEMENTARY FEATURESDRAWING CALLS THIS: WASHER, CONTROL PLANE
THICKNESS0.058 INCHES MINIMUM AND 0.063 INCHES MAXIMUM


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