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National Stock Number:
5310-00-472-2698
Federal Supply Class:
5310
National Item Identification Number:
004722698
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:
| 216-17621 | 80378 | TRIUMPH AEROSTRUCTURES, LLC | | 216-17621-3 | 80378 | TRIUMPH AEROSTRUCTURES, LLC |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 TEMPER T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NO 19 FSCM 80378 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | STYLE DESIGNATOR | RECESSED | | HOLE DIAMETER | 0.115 INCHES MINIMUM AND | | 0.135 INCHES MAXIMUM | | OUTSIDE DIAMETER | 0.312 INCHES NOMINAL | | RECESS DIAMETER | 0.195 INCHES MINIMUM AND | | 0.205 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.029 INCHES MINIMUM AND | | 0.035 INCHES MAXIMUM | | RECESS ANGLE | 100.0 DEGREES NOMINAL | | HEAT TREATMENT | T-4 SOLUTION HEAT TREATED, NATURAL AGED |
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