5310-01-568-1082 WASHER,FLAT Index 5310-01-568-0985 WASHER,FLAT

National Stock Number:
5310-01-568-1026

Federal Supply Class:
5310

National Item Identification Number:
015681026

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:
1250521319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12505213-00219207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
12505213-00245152OSHKOSH CORP
12505213-00275Q65OSHKOSH DEFENSE LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER17.5 MILLIMETERS NOMINAL
OVERALL DIAMETER101.6 MILLIMETERS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-46100, HIGH HARDNESS. 0.375 INCH THK MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-A-12560 CL 4. 0.50 INCH THK ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION19207 12505460 METHOD A MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPAINT OVERALL
THICKNESS9.5 MILLIMETERS NOMINAL


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