5310-00-045-9522 WASHER,FLAT Index 5310-00-045-9530 NUT,PLAIN,HEXAGON

National Stock Number:
5310-00-045-9526

Federal Supply Class:
5310

National Item Identification Number:
000459526

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:
48385331633ALINABAL HOLDINGS CORPORATION
48385377445RTX CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM
OVERALL DIAMETER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5504 OR 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 410 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP
THICKNESS0.085 INCHES MINIMUM AND 0.101 INCHES MAXIMUM


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