5310-01-042-8873, WASHER,RECESSED

National Stock Number:
5310-01-042-8873

Federal Supply Class:
5310

National Item Identification Number:
010428873

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:

BACW10BP6C	81205	THE BOEING COMPANY
BACW10BP6C	AC910	AERTEKNO S.R.L.

Techincal Specification:

HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HOLE DIAMETER	0.376 INCHES MINIMUM AND 0.387 INCHES MAXIMUM
OUTSIDE DIAMETER	0.649 INCHES MINIMUM AND 0.669 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18728 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-18733 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM
MATERIAL	STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 4135 OVERALL
RECESS ANGLE	90.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM
RECESS DIAMETER	0.489 INCHES MINIMUM AND 0.509 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA	81205-BACW10BP MANUFACTURERS STANDARD
STYLE DESIGNATOR	RECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	NICKEL AND CADMIUM OVERALL

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