5310-01-212-4612 WASHER,FLAT Index 5310-01-212-4614 WASHER,RECESSED

National Stock Number:
5310-01-212-4613

Federal Supply Class:
5310

National Item Identification Number:
012124613

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:
71553-78X6 PIECE 796169ELECTRIC BOAT CORPORATION
SSN671-515-2047287 PIECE 780064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER5.531 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONEB2000A MC903,FSCM 96169 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYAMIDE OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER7.703 INCHES NOMINAL
SURFACE FINISH63.0 MICROINCHES ALL SURFACES
THICKNESS0.125 INCHES NOMINAL


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