5310-01-057-8177 WASHER,FLAT Index 5310-01-057-8179 WASHER,FLAT

National Stock Number:
5310-01-057-8178

Federal Supply Class:
5310

National Item Identification Number:
010578178

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:
9270116000055972HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS
9270116000096774HONEYWELL INTERNATIONAL INC.


Techincal Specification:
MATERIALSTEEL COMP 301 OR
STEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.281 INCHES MINIMUM AND
0.291 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.620 INCHES MINIMUM AND
0.645 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.042 INCHES MINIMUM AND
0.052 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE55972
DESIGN CONTROL REFERENCE92701160000


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