5310-00-543-2252, WASHER,RECESSED

National Stock Number:
5310-00-543-2252

Federal Supply Class:
5310

National Item Identification Number:
005432252

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:

76620

24930

L3HARRIS TECHNOLOGIES, INC

Techincal Specification:

BOTTOM RECESS ANGLE	89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM
BOTTOM RECESS DIAMETER	1.855 INCHES MINIMUM AND 1.857 INCHES MAXIMUM
HOLE DIAMETER	1.805 INCHES MINIMUM AND 1.807 INCHES MAXIMUM
OUTSIDE DIAMETER	2.458 INCHES MINIMUM AND 2.460 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-327 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM
MATERIAL	ALUMINUM ALLOY 6061 OVERALL
RECESS DIAMETER	1.855 INCHES MINIMUM AND 1.857 INCHES MAXIMUM
RECESS ANGLE	89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM
RECESS DEPTH	0.015 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
SPECIAL FEATURES	BOTH OUTSIDE EDGES ARE CHAMFERED 0.025 INCH BY 45 DEGREES PORM 1/2 DEGREE
STYLE DESIGNATOR	RECESSED BOTH SIDES
SURFACE FINISH	40.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT	CHROMATE OVERALL
TOP RECESS ANGLE	89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM
TOP RECESS DIAMETER	1.855 INCHES MINIMUM AND 1.857 INCHES MAXIMUM

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