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National Stock Number:
5310-01-388-4137
Federal Supply Class:
5310
National Item Identification Number:
013884137
Description:
NUT,SELF-LOCKING,HEXAGON
Detail:
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.
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Manufacturer Information:
| 12387349-32 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT | | LUBRICATION | DRY FILM LUBRICANT | | MATERIAL | PLASTIC POLYAMIDE NYLON LOCKING INSERT | | MATERIAL | STEEL NUT | | NOMINAL THREAD SIZE | 0.250 INCHES | | NUT HEIGHT | 0.328 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL EXCEPT INSERT | | TEMP RATING | 250.0 FAHRENHEIT NOMINAL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES | UNF |
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