5310-01-145-7623 NUT,EYE Index 4820-01-145-7625 VALVE,GATE

National Stock Number:
5310-01-145-7624

Federal Supply Class:
5310

National Item Identification Number:
011457624

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:
117185-294271LOCKHEED MARTIN CORP


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CRITICALITY CODE JUSTIFICATIONZZZY
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.141 INCHES NOMINAL
MATERIALRUBBER SILICONE CLASS Q OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.375 INCHES NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION
SPECIAL TEST FEATURESSPECIAL QUALITY CONTROL TESTING
TEST DATA DOCUMENT81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THICKNESS0.062 INCHES NOMINAL


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