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National Stock Number:
5310-00-272-5673
Federal Supply Class:
5310
National Item Identification Number:
002725673
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:
| WA5285 | 01843 | AMBAC INTERNATIONAL CORPORATION | | WA5285 | 04998 | ADAMS AIRCRAFT INTERNATIONAL INC |
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Techincal Specification:
| MATERIAL | STEEL COMP 6150 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.386 INCHES MINIMUM AND | | 0.394 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.802 INCHES MINIMUM AND | | 0.812 INCHES MAXIMUM | | OVERALL HEIGHT | 0.100 INCHES MINIMUM AND | | 0.110 INCHES MAXIMUM | | RECESS DEPTH | 0.025 INCHES MINIMUM AND | | 0.045 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.065 INCHES MINIMUM AND | | 0.075 INCHES MAXIMUM | | SPECIAL FEATURES | CHAMFER 45 DEG BY 0.025 TO 0.037 IN. OD ON SIDE OF RECESS |
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