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National Stock Number:
5310-01-614-5957
Federal Supply Class:
5310
National Item Identification Number:
016145957
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:
| 845-8219247 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-8219247-50 | 1BM63 | NIL-COR, LLC | | 845-8219247-50 | 53711 | NAVAL SEA SYSTEMS COMMAND | | M25027/1-5C | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| BEARING SURFACE TYPE | FLAT | | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM | | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D4066,GP 1,CL 1 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT | | MATERIAL | COPPER ALLOY AND NICKEL ALLOY OVERALL EXCEPT INSERT | | MATERIAL | PLASTIC POLYAMIDE LOCKING INSERT | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT,SELF-LOCKING,HEAVY HEX,NON-METALLIC INSERT 250 DEG,UNJC-2B,5/16 INCH NOM,NICKEL-COPPER ALLOY | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.312 INCHES | | NUT HEIGHT | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM | | NUT STYLE | HEXAGON | | SPECIAL FEATURES | HEX FLATS HAVE 30 DEG CHAMFER | | WIDTH ACROSS FLATS | 0.553 INCHES MINIMUM AND 0.566 INCHES MAXIMUM | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES | UNC |
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