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National Stock Number:
5310-99-391-1899
Federal Supply Class:
5310
National Item Identification Number:
993911899
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:
| 12070282 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED | | AM 04 00 20012 | K3432 | TUFNOL LTD | | AM 04 00 20012 | K4244 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
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Techincal Specification:
| HOLE DIAMETER | 72.60 MILLIMETERS MINIMUM AND 72.75 MILLIMETERS MAXIMUM | | MATERIAL THICKNESS | 2.66 MILLIMETERS MINIMUM AND 3.34 MILLIMETERS MAXIMUM | | OUTSIDE DIAMETER | 92.50 MILLIMETERS MINIMUM AND 93.00 MILLIMETERS MAXIMUM | | RECESS ANGLE | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM | | RECESS DIAMETER | 75.68 MILLIMETERS NOMINAL | | SPECIAL FEATURES | COTTON FABRIC BASED LAMINATE 'CROW BRAND' | | SPECIFICATION/STANDARD DATA | K3432-AM 04 00 20012 MANUFACTURERS SOURCE CONTROL | | STYLE DESIGNATOR | RECESSED | | SURFACE FINISH | 1.6 MICROMETERS TOP | | SURFACE FINISH | 1.6 MICROMETERS INNER | | SURFACE FINISH | 6.3 MICROMETERS OUTER | | SURFACE FINISH | 6.3 MICROMETERS BOTTOM |
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