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National Stock Number:
5310-01-482-1547
Federal Supply Class:
5310
National Item Identification Number:
014821547
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:
| 42807-39 | 82402 | TRIUMPH GEAR SYSTEMS INC | | 42807C39 | 82402 | TRIUMPH GEAR SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES | UN | | NOMINAL THREAD SIZE | 1.250 INCHES | | THREAD QUANTITY PER INCH | 16 | | THREAD CLASS | 3B | | THREAD PITCH DIAMETERS | 1.2094 TO 1.2144 INCHES | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 4140 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE II,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND | | 35.0 ROCKWELL C MAXIMUM | | NUT STYLE | ROUND | | NUT DIAMETER | 1.937 INCHES NOMINAL | | NUT THICKNESS | 0.380 INCHES NOMINAL | | DRIVE POINT DIAMETER | 0.196 INCHES NOMINAL | | DRIVE POINT QUANTITY | 2 | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | BEARING SURFACE FINISH | 125.0 MICROINCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | LOCKNUT-EXTEND STOP |
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