5315-00-606-8416 PIN,SHOULDER,HEADED Index 5120-00-606-8418 WRENCH,SPANNER

National Stock Number:
5310-00-606-8417

Federal Supply Class:
5310

National Item Identification Number:
006068417

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:
841911719204ARMY, UNITED STATES DEPARTMENT OF THE


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER2.255 INCHES MINIMUM AND 2.260 INCHES MAXIMUM
OVERALL DIAMETER5.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-635 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1020 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCHROMIUM OVERALL
THICKNESS0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM


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