5310-00-477-4752 WASHER,FLAT Index 5310-00-477-4754 WASHER,FLAT

National Stock Number:
5310-00-477-4753

Federal Supply Class:
5310

National Item Identification Number:
004774753

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:
236MR001P00230003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
236MR001P0023B150RAYTHEON COMPANY
602625903640LOCKHEED MARTIN CORPORATION
S236MR00130003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
236MR001P00249956RAYTHEON COMPANY
236MR001P00254X10RAYTHEON COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
OVERALL DIAMETER0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 CD A FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 304 OR STEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM


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