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National Stock Number:
5310-01-143-1773
Federal Supply Class:
5310
National Item Identification Number:
011431773
Description:
WASHER,FINISHING
Detail:
A WASHER OR CONE OR DISK SHAPE WITH A CENTRALLY LOCATED HOLE, DESIGNED TO ACCOMMODATE A FLAT OR OVAL HEAD SCREW AND PROVIDE ADDITIONAL BEARING AREA ON THE MATERIAL BEING FASTENED. IT MAY OR MAY NOT HAVE A FLUSH FLANGE FEATURE.
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Manufacturer Information:
| A51B31206-19 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B31206-19 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B31206-19 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| HOLE DIAMETER | 0.289 INCHES MINIMUM AND 0.396 INCHES MAXIMUM | | MATERIAL THICKNESS | 0.040 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | RECESS DIAMETER | 0.507 INCHES NOMINAL | | RECESS ANGLE | 100.0 DEGREES NOMINAL | | SPECIAL FEATURES | RECTANGULAR PERIPHERAL SHAPE 1.120 IN. LG AND 0.680 IN. WIDE; TWO DRILLED HOLES 0.070 IN. MIN AND 0.075 IN. MAX DIA; DIFFERS FROM DASH 15 DUE TO CURVED LARGE BEARING SURFACE |
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