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National Stock Number:
5310-01-200-1451
Federal Supply Class:
5310
National Item Identification Number:
012001451
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:
| 140-007-25S20C4 | 97499 | BELL TEXTRON INC | | 140-007-25S20C4 | A0126 | LEONARDO SPA HELICOPTERS DIVISION -PRODUCTION SITE |
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Techincal Specification:
| MATERIAL | STEEL COMP 630 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5604 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED BOTH SIDES | | HOLE DIAMETER | 0.390 INCHES MINIMUM AND | | 0.397 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.615 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.120 INCHES MINIMUM AND | | 0.130 INCHES MAXIMUM | | TOP RECESS DIAMETER | 0.467 INCHES MINIMUM AND | | 0.470 INCHES MAXIMUM | | BOTTOM RECESS DIAMETER | 0.467 INCHES MINIMUM AND | | 0.470 INCHES MAXIMUM | | BOTTOM RECESS ANGLE | 89.5 DEGREES MINIMUM AND | | 90.5 DEGREES MAXIMUM | | TOP RECESS ANGLE | 89.5 DEGREES MINIMUM AND | | 90.5 DEGREES MAXIMUM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | 63.0 MICROINCHES BOTTOM | | MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH |
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