5310-00-139-7029 WASHER,FLAT Index 5330-00-139-7035 SEAL,PLAIN

National Stock Number:
5310-00-139-7030

Federal Supply Class:
5310

National Item Identification Number:
001397030

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:
4D-3704U8468FINNING UK LTD
4D370411083CATERPILLAR INC
4D3704U3363CATERPILLAR TRACTOR CO LTD
5CA97745152OSHKOSH CORP
5CA97775Q65OSHKOSH DEFENSE LLC
CV121929KCQ24TVS SUPPLY CHAIN SOLUTIONS LTD


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
FEATURES PROVIDEDCASEHARDENED
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.656 INCHES NOMINAL
OVERALL DIAMETER1.190 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION1E357,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM


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