5310-01-128-5147 WASHER,FLAT Index 5310-01-128-5149 WASHER,FLAT

National Stock Number:
5310-01-128-5148

Federal Supply Class:
5310

National Item Identification Number:
011285148

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:
72712099167HAMILTON SUNDSTRAND CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
OVERALL DIAMETER0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPN14.10,FSCM 99167 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM


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