5975-00-038-1141 MOUNTING BASE,ELECTRICAL EQUIPME Index 5306-00-038-1162 BOLT,MACHINE

National Stock Number:
5310-00-038-1154

Federal Supply Class:
5310

National Item Identification Number:
000381154

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:
10W040-13D440JRC1NORTHROP GRUMMAN TECHNICAL SERVICES, INC.
10W040-13D4476823NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.130 INCHES NOMINAL
OVERALL DIAMETER0.440 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-355 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.040 INCHES NOMINAL


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