5310-01-040-4039 WASHER,FLAT Index 5925-01-040-4042 CIRCUIT BREAKER

National Stock Number:
5310-01-040-4040

Federal Supply Class:
5310

National Item Identification Number:
010404040

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:
255-3595238WINCHESTER INTERCONNECT CORPORATION
330845-00181413BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
S236MR001P0033B150RAYTHEON COMPANY
S236MR001P00349956RAYTHEON COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
OVERALL DIAMETER0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM


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