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National Stock Number:
5310-01-299-2911
Federal Supply Class:
5310
National Item Identification Number:
012992911
Description:
NUT,SLEEVE
Detail:
AN INTERNALLY THREADED ITEM WITH A CYLINDRICAL AND/OR SQUARE, HEXAGONAL, OCTAGONAL, OR DODECAGONAL OUTER PERIPHERY (PARALLEL TO THE THREADED AXIS) A PORTION(S) OF WHICH MAY OR MAY NOT BE ENLARGED, FORMING A FLANGE(S) AND/OR SHOULDER(S). ITEMS NOT HAVING AN ENLARGED OUTER PORTION MAY BE THREADED, A PART OF THE FULL LENGTH, OR TAPPED FROM BOTH ENDS. ITEMS HAVING AN ENLARGED OUTER PORTION (FLANGE(S) OR SHOULDER(S)) MAY BE THREADED THE FULL LENGTH, THREADED A PART OF THE FULL LENGTH, OR TAPPED FROM BOTH ENDS. ITEMS TAPPED FROM BOTH ENDS SHALL HAVE EITHER RIGHT-HAND THREADS ON BOTH ENDS OR LEFT-HAND THREADS ON BOTH ENDS. FOR ITEMS CONFORMING TO ANY OF THE ABOVE AND HAVING A LENGTH OVERALL EXCEEDING TWO TIMES THE LARGEST OUTSIDE DIAMETER OR WIDTH ACROSS FLATS, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. FOR ITEMS WITH AN OUTSIDE CONTOUR THAT IS THE SAME THE FULL LENGTH, HAVING A CONTINUOUS THREAD THROUGH ITS ENTIRE LENGTH, AND THE LENGTH DOES NOT EXCEED TWO TIMES THE DIAMETER OR WIDTH ACROSS THE FLATS USE NUT (1), PLAIN (AS MODIFIED). EXCLUDES NUT (1), PLAIN, CAP. SEE ALSO TURNBUCKLE BODY.
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Manufacturer Information:
| 70101-08004-104 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| DRILLED HOLE DIAMETER | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM | | COUNTERBORE DIAMETER | 1.375 INCHES NOMINAL SECOND END | | CROSS-SECTIONAL SHAPE | HEXAGONAL FIRST END | | CROSS-SECTIONAL SHAPE | ROUND SECOND END | | FLANGE WIDTH ACROSS FLATS | 1.680 INCHES NOMINAL | | FLANGE THICKNESS | 0.375 INCHES NOMINAL | | HARDNESS RATING | 34.0 ROCKWELL C MAXIMUM AND 38.0 ROCKWELL C MAXIMUM | | HOLE CONFIGURATION STYLE | CONFIGURATION B | | HOLE TYPE AND QUANTITY | 3 DRILLED | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP E4340 OVERALL | | NOMINAL THREAD SIZE | 1.250 INCHES | | NUT DIAMETER | 1.580 INCHES NOMINAL | | NUT COUNTERBORE DEPTH | 0.965 INCHES NOMINAL SECOND END | | NUT LENGTH | 0.965 INCHES NOMINAL | | NUT STYLE | SLEEVE | | SURFACE TREATMENT | PAINT OVERALL EXCEPT THREADS | | THREAD CLASS | 3B | | THREAD DIRECTION | LEFT-HAND | | THREAD SERIES | UNJS | | THREAD QUANTITY PER INCH | 32 |
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