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National Stock Number:
5310-01-135-1184
Federal Supply Class:
5310
National Item Identification Number:
011351184
Description:
NUT,SELF-LOCKING,ROUND
Detail:
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. An integral feature is incorporated for locking on the threads of a mating member. Do not use if a more specific item name applies. Excludes COLLAR, PIN-RIVET, THREADED; INSERT, SCREW THREAD; NUT (1), SLEEVE; NUT(1), PLAIN, CAP; and TURNBUCKLE BODY.
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Manufacturer Information:
| 65391-11783-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| THREAD SERIES | UNS | | NOMINAL THREAD SIZE | 3.730 INCHES | | THREAD QUANTITY PER INCH | 12 | | THREAD CLASS | 3B | | THREAD DIRECTION | LEFT-HAND | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 33.0 ROCKWELL C MAXIMUM | | NUT STYLE | ROUND | | SMALL END DIAMETER | 4.050 INCHES MINIMUM AND | | 4.062 INCHES MAXIMUM | | DRIVE POINT DEPTH | 0.250 INCHES NOMINAL | | NUT DIAMETER | 4.281 INCHES NOMINAL | | NUT THICKNESS | 0.770 INCHES MINIMUM AND | | 0.775 INCHES MAXIMUM | | DRIVE POINT WIDTH | 0.345 INCHES MINIMUM AND | | 0.355 INCHES MAXIMUM | | UNDERCUT THICKNESS | 0.275 INCHES NOMINAL | | DRIVE POINT QUANTITY | 8 | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 78286 | | DESIGN CONTROL REFERENCE | 65391-11783-101 |
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