1020-00-131-3032 CUP,SPRING Index 5305-00-131-3034 SCREW,MACHINE

National Stock Number:
5310-00-131-3033

Federal Supply Class:
5310

National Item Identification Number:
001313033

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:
GTS51-8H3TAH8GOODRICH CORPORATION
GTS51-8HK0131GOODRICH LIMITED
GTS51-8HK0377GOODRICH ACTUATION SYSTEMS LIMITED


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.270 INCHES MINIMUM AND 0.275 INCHES MAXIMUM
OVERALL DIAMETER0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONS521,FSCM K0131 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM


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