5331-00-640-9730 O-RING Index 5330-00-640-9732 FELT,MECHANICAL,PREFORMED

National Stock Number:
5310-00-640-9731

Federal Supply Class:
5310

National Item Identification Number:
006409731

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:
23047256232LOCKHEED MARTIN CORPORATION
65456110001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.141 INCHES NOMINAL
OVERALL DIAMETER0.375 INCHES MINIMUM AND 0.391 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONC-F-206,TY 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALWOOL COMP 12R1 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.062 INCHES NOMINAL


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