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National Stock Number:
5310-01-467-9953
Federal Supply Class:
5310
National Item Identification Number:
014679953
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.
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Manufacturer Information:
| BACW10BP52C | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL COMP 4130 OR | | STEEL COMP 8630 OR | | STEEL COMP 8735 OR | | STEEL COMP 4135 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR | | MILS-18728 MIL SPEC 2ND MATERIAL RESPONSE OR | | AMS 6357 ASSN STD 3RD MATERIAL RESPONSE OR | | AMS 6352 ASSN STD 4TH MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | COPPER ALLOY AND | | NICKEL OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.344 INCHES MINIMUM AND | | 0.355 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.313 INCHES NOMINAL | | RECESS DIAMETER | 0.425 INCHES MINIMUM AND | | 0.445 INCHES MAXIMUM | | RECESS DEPTH | 0.0434 INCHES NOMINAL | | MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND | | 0.069 INCHES MAXIMUM | | RECESS ANGLE | 45.0 DEGREES NOMINAL |
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