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National Stock Number:
5310-00-209-1695
Federal Supply Class:
5310
National Item Identification Number:
002091695
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:
| 1N775K | 32904 | IN SPECK CORP | | 4025915 | 71379 | CESSNA AIRCRAFT COMPANY | | 4025915 | 7EK50 | TEXTRON AVIATION INC |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | S-137 F4-1 FSCM 71379 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.505 INCHES MINIMUM AND | | 0.515 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.809 INCHES MINIMUM AND | | 0.811 INCHES MAXIMUM | | OVERALL HEIGHT | 0.138 INCHES MINIMUM AND | | 0.142 INCHES MAXIMUM | | RECESS DEPTH | 0.104 INCHES MINIMUM AND | | 0.108 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.0255 INCHES NOMINAL | | HEAT TREATMENT | T-4 SOLUTION HEAT TREATED, NATURAL AGED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 71379 | | DESIGN CONTROL REFERENCE | 4025915 |
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