5310-01-178-3709, WASHER,RECESSED

National Stock Number:
5310-01-178-3709

Federal Supply Class:
5310

National Item Identification Number:
011783709

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:

BACW10DH-C12	77272	THE BOEING COMPANY
BACW10DH-C12	81205	THE BOEING COMPANY

Techincal Specification:

BOTTOM RECESS ANGLE	86.0 DEGREES MINIMUM AND 94.0 DEGREES MAXIMUM
BOTTOM RECESS DIAMETER	0.920 INCHES MINIMUM AND 0.921 INCHES MAXIMUM
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
HOLE DIAMETER	0.757 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS	0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM
MATERIAL	STEEL COMP 4130 OVERALL
OUTSIDE DIAMETER	1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA	81205-BACW10DH MANUFACTURERS STANDARD
STYLE DESIGNATOR	RECESSED BOTH SIDES
SURFACE FINISH	63.0 MICROINCHES BOTTOM
SURFACE FINISH	63.0 MICROINCHES TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
TOP RECESS ANGLE	86.0 DEGREES MINIMUM AND 94.0 DEGREES MAXIMUM
TOP RECESS DIAMETER	0.920 INCHES MINIMUM AND 0.921 INCHES MAXIMUM

Click here to Register for Free 30-day Trial