5310-01-042-2799 WASHER,FLAT Index 5310-01-042-2801 WASHER,FLAT

National Stock Number:
5310-01-042-2800

Federal Supply Class:
5310

National Item Identification Number:
010422800

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:
885282-13B150RAYTHEON COMPANY
885282-149956RAYTHEON COMPANY
885282-154X10RAYTHEON COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
OVERALL DIAMETER0.600 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.150 INCHES NOMINAL


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