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National Stock Number:
5310-01-628-7822
Federal Supply Class:
5310
National Item Identification Number:
016287822
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:
| 70103-28063-102 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 1.395 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYIMIDE OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, HUB ASSY - ROTARY WING HEAD | | PROPRIETARY CHARACTERISTICS | PACS | | MINOR THICKNESS | 0.235 INCHES NOMINAL | | OUTSIDE DIAMETER | 2.180 INCHES NOMINAL | | OVERALL HEIGHT | 0.565 INCHES NOMINAL | | RECESS ANGLE | 114.0 DEGREES MINIMUM AND 120.0 DEGREES MAXIMUM | | SPECIAL FEATURES | WASHER HAS CUT OUT SECTION ON TOP SURFACE 1.135 INCH WIDE BY 0.095 TO 0.125 INCH HIGH | | STYLE DESIGNATOR | RECESSED |
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