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National Stock Number:
5310-01-094-2894
Federal Supply Class:
5310
National Item Identification Number:
010942894
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:
| 135B5661-3 | 05606 | GENERAL DYNAMICS-OTS, INC. | | 135B5661-3 | 1GUP7 | VERMONT AEROSPACE INDUSTRIES, LLC | | 135B5661-3 | 2W245 | BI-TEC INDUSTRIES INC |
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Techincal Specification:
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM | | HEAT TREATMENT | QUENCHED AND TEMPERED | | HOLE DIAMETER | 0.196 INCHES MINIMUM AND 0.209 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 0.090 INCHES NOMINAL | | MATERIAL | STEEL COMP 4130 OVERALL | | OUTSIDE DIAMETER | 0.790 INCHES MINIMUM AND 0.810 INCHES MAXIMUM | | RECESS ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | RECESS DIAMETER | 0.392 INCHES MINIMUM AND 0.402 INCHES MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232,TY M,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OR DOD-P-16232,TY Z,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL |
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