5310-01-075-7127, WASHER,FLAT

National Stock Number:
5310-01-075-7127

Federal Supply Class:
5310

National Item Identification Number:
010757127

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:

F-425-1517

07305

BINGHAM-WILLAMETTE CO DIV OF GUY F ATKINSON CO

Techincal Specification:

CENTER HOLE SHAPE STYLE	ROUND
CRITICALITY CODE JUSTIFICATION	ZZZY
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
HARDNESS RATING	45.0 ROCKWELL C MAXIMUM AND 53.0 ROCKWELL C MAXIMUM
HOLE DIAMETER	1.368 INCHES MINIMUM AND 1.400 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A-325 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL OVERALL
OVERALL DIAMETER	2.743 INCHES MINIMUM AND 2.780 INCHES MAXIMUM
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
SPECIAL FEATURES	CERTIFIED FREE OF MERCURY CONTAMINATION
SPECIAL TEST FEATURES	SPECIAL QUALITY CONTROL TESTING
TEST DATA DOCUMENT	81349-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.).
THICKNESS	0.136 INCHES MINIMUM AND 0.192 INCHES MAXIMUM

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