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National Stock Number:
5310-99-000-4261
Federal Supply Class:
5310
National Item Identification Number:
990004261
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:
| 60110423 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED | | AM 02 08 28006 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
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Techincal Specification:
| HOLE DIAMETER | 6.60 MILLIMETERS MINIMUM AND 6.82 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B211:2014,UNS A92014-T6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR ASTM B221:2014,UNS A92014-T6 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL THICKNESS | 5.75 MILLIMETERS MINIMUM AND 6.25 MILLIMETERS MAXIMUM | | MATERIAL | ALUMINUM ALLOY OVERALL | | OUTSIDE DIAMETER | 24.75 MILLIMETERS MINIMUM AND 25.25 MILLIMETERS MAXIMUM | | RECESS ANGLE | 90.0 DEGREES NOMINAL | | RECESS DIAMETER | 13.25 MILLIMETERS MINIMUM AND 13.75 MILLIMETERS MAXIMUM | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL |
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