5310-01-223-7139, WASHER,RECESSED

National Stock Number:
5310-01-223-7139

Federal Supply Class:
5310

National Item Identification Number:
012237139

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:

140-007-20-19-2	10630	ANILLO INDUSTRIES LLC
140-007-20-19-2	97499	BELL TEXTRON INC

Techincal Specification:

MATERIAL	STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OR
	AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND
	CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-8837 MIL SPEC ALL TREATMENT RESPONSES OVERALL
COLOR	YELLOW OR
	BROWN OVERALL
STYLE DESIGNATOR	RECESSED BOTH SIDES
HOLE DIAMETER	0.312 INCHES MINIMUM AND
	0.319 INCHES MAXIMUM
OUTSIDE DIAMETER	0.584 INCHES MINIMUM AND
	0.604 INCHES MAXIMUM
MATERIAL THICKNESS	0.062 INCHES MINIMUM AND
	0.071 INCHES MAXIMUM
TOP RECESS DIAMETER	0.352 INCHES MINIMUM AND
	0.379 INCHES MAXIMUM
BOTTOM RECESS DIAMETER	0.352 INCHES MINIMUM AND
	0.379 INCHES MAXIMUM
BOTTOM RECESS ANGLE	89.0 DEGREES MINIMUM AND
	91.0 DEGREES MAXIMUM
TOP RECESS ANGLE	89.0 DEGREES MINIMUM AND
	91.0 DEGREES MAXIMUM
SURFACE FINISH	63.0 MICROINCHES TOP
	63.0 MICROINCHES BOTTOM
SPECIAL FEATURES	SURFACES ARE VACUUM PLATED
DEPARTURE FROM CITED DOCUMENT	AS MODIFIED BY HEAT TREAT PER MIL-H-6875
MINIMUM TENSILE STRENGTH	240000 POUNDS PER SQUARE INCH

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