5310-01-075-0991 WASHER,FLAT Index 5310-01-075-0994 WASHER,LOCK

National Stock Number:
5310-01-075-0992

Federal Supply Class:
5310

National Item Identification Number:
010750992

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:
MS51496P6196906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
N400P197424AMETEK INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.063 INCHES MINIMUM AND 0.068 INCHES MAXIMUM
OVERALL DIAMETER0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONC4A2A,FSCM 97424 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM


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