5365-00-550-4270 SPACER,RING Index 5305-00-550-4277 SCREW,MACHINE

National Stock Number:
5310-00-550-4271

Federal Supply Class:
5310

National Item Identification Number:
005504271

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:
2393911599TRIUMPH ENGINE CONTROL SYSTEMS LLC
23939C0297GOODRICH CONTROL SYSTEMS GMBH


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER1.010 INCHES MINIMUM AND 1.030 INCHES MAXIMUM
OVERALL DIAMETER1.370 INCHES MINIMUM AND 1.390 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5515 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTOXIDE FILM OVERALL
THICKNESS0.062 INCHES MINIMUM AND 0.068 INCHES MAXIMUM


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