4920-01-516-1449 FIXTURE,MACHINING,AIRCRAFT ENGIN Index 2910-01-516-1451 HAND DRIVEN,PRIMER

National Stock Number:
5310-01-516-1450

Federal Supply Class:
5310

National Item Identification Number:
015161450

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:
66336-10P56878SPS TECHNOLOGIES, LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.627 INCHES MINIMUM AND 0.631 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL AND AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM


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