5310-01-057-7164 WASHER,LOCK Index 5306-01-057-7166 BOLT,MACHINE

National Stock Number:
5310-01-057-7165

Federal Supply Class:
5310

National Item Identification Number:
010577165

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:
61201-00358114REXROTH CORP THE MOBILE HYDRAULICS DIV
61201-003D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
61201-003Z4743BOSCH REXROTH PTY LTD
R97872888058114REXROTH CORP THE MOBILE HYDRAULICS DIV


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.390 INCHES NOMINAL
OVERALL DIAMETER0.812 INCHES NOMINAL
MATERIALSTEEL COMP 1038 OR STEEL COMP 1045 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.112 INCHES MINIMUM AND 0.127 INCHES MAXIMUM


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