5310-00-958-2995 WASHER,SHOULDERED Index 4920-00-958-3001 FIXTURE,DRIVE SHAFT

National Stock Number:
5310-00-958-2997

Federal Supply Class:
5310

National Item Identification Number:
009582997

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:
2056-260005030RAYTHEON CO MISSILE SYSTEMS DIV LOWELL PLANT
2056-26003B150RAYTHEON COMPANY
2056-260049956RAYTHEON COMPANY
2056-260054X10RAYTHEON COMPANY


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HARDNESS RATING40.0 SHORE DUROMETER A NOMINAL
HOLE DIAMETER0.125 INCHES NOMINAL
OVERALL DIAMETER0.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-STD-417 CLASS SC GRADE 415 MIL STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER SYNTHETIC OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.031 INCHES NOMINAL


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