5305-01-506-0042 SCREW,CAP,HEXAGON HEAD Index 6610-01-506-0044 COMPUTER,FLIGHT DIRECTOR

National Stock Number:
5310-01-506-0043

Federal Supply Class:
5310

National Item Identification Number:
015060043

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:
1550308PC3853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER2.721 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI-1015 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER3.140 INCHES MINIMUM AND 3.145 INCHES MAXIMUM
MATERIALSTEEL COMP 1015 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.126 INCHES NOMINAL


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