5310-01-098-4138, WASHER,RECESSED

National Stock Number:
5310-01-098-4138

Federal Supply Class:
5310

National Item Identification Number:
010984138

Description:
WASHER,RECESSED

Detail:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.

Manufacturer Information:

MS9482-10

96906

MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

MATERIAL	STEEL COMP H11 OR
	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6485 ASSN STD 1ST MATERIAL RESPONSE OR
	AMS 6437 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	NICKEL AND
	CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	50.0 ROCKWELL C MINIMUM AND
	56.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR	RECESSED BOTH SIDES
HOLE DIAMETER	0.255 INCHES MINIMUM AND
	0.270 INCHES MAXIMUM
OUTSIDE DIAMETER	0.550 INCHES MINIMUM AND
	0.570 INCHES MAXIMUM
MATERIAL THICKNESS	0.125 INCHES MINIMUM AND
	0.135 INCHES MAXIMUM
TOP RECESS DIAMETER	0.332 INCHES MINIMUM AND
	0.342 INCHES MAXIMUM
BOTTOM RECESS DIAMETER	0.332 INCHES MINIMUM AND
	0.342 INCHES MAXIMUM
BOTTOM RECESS ANGLE	90.0 DEGREES NOMINAL
TOP RECESS ANGLE	90.0 DEGREES NOMINAL
SURFACE FINISH	63.0 MICROINCHES TOP
	63.0 MICROINCHES BOTTOM
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS9482-10

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