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National Stock Number:
5310-99-157-9210
Federal Supply Class:
5310
National Item Identification Number:
991579210
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:
| AMP 01 01 40015 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
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Techincal Specification:
| HOLE DIAMETER | 8.25 MILLIMETERS MINIMUM AND 8.75 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL THICKNESS | 1.75 MILLIMETERS MINIMUM AND 2.25 MILLIMETERS MAXIMUM | | MATERIAL | STEEL | | OUTSIDE DIAMETER | 11.75 MILLIMETERS MINIMUM AND 12.25 MILLIMETERS MAXIMUM | | RECESS ANGLE | 44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM | | STYLE DESIGNATOR | RECESSED BOTH SIDES |
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