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National Stock Number:
5310-01-144-3925
Federal Supply Class:
5310
National Item Identification Number:
011443925
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:
| 64351-11112-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| COUNTERBORE DIAMETER | 3.000 INCHES MINIMUM AND 3.005 INCHES MAXIMUM OVERALL EXCEPT THREADS | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4340 OVERALL | | NOMINAL THREAD SIZE | 2.875 INCHES | | NUT COUNTERBORE DEPTH | 0.790 INCHES MINIMUM AND 0.800 INCHES MAXIMUM OVERALL EXCEPT THREADS | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SS8416,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UN | | THREAD QUANTITY PER INCH | 16 |
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