6620-00-849-0426 GAGE,PRESSURE,DIAL INDICATING Index 5930-00-849-0431 SWITCH,THERMOSTATIC

National Stock Number:
5310-00-849-0430

Federal Supply Class:
5310

National Item Identification Number:
008490430

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:
BACW10BN10C17765THE BOEING COMPANY
BACW10BN10C81205THE BOEING COMPANY


Techincal Specification:
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
HOLE DIAMETER0.625 INCHES MINIMUM AND 0.636 INCHES MAXIMUM
OUTSIDE DIAMETER1.195 INCHES MINIMUM AND 1.215 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18728 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.073 INCHES MINIMUM AND 0.087 INCHES MAXIMUM
MATERIALSTEEL COMP 4130 OR STEEL COMP 8630 OVERALL
RECESS DIAMETER0.770 INCHES MINIMUM AND 0.790 INCHES MAXIMUM
RECESS ANGLE90.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM
SPECIFICATION/STANDARD DATA81205-BACW10BN MANUFACTURERS STANDARD
STYLE DESIGNATORRECESSED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTNICKEL AND CADMIUM OVERALL


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