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National Stock Number:
5310-01-278-9443
Federal Supply Class:
5310
National Item Identification Number:
012789443
Description:
NUT,SELF-LOCKING,SINGLE BALL SEA
Detail:
A NUT HAVING ONE CONVEX, SPHERICAL BEARING SURFACE AND 6 FLAT SIDES. ITEMS MAY HAVE A REMOVABLE COLLAR. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER. SEE ALSO NUT (1), SELF-LOCKING, CONE SEAT, HEXAGON.
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Manufacturer Information:
| BH0093A5 | 27238 | BRISTOL INDUSTRIES, LLC | | BH01019A5XN | 27238 | BRISTOL INDUSTRIES, LLC | | H52207P-5 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | | H52207P-5 | 75237 | HOWMET GLOBAL FASTENING SYSTEMS INC. | | H52207P5 | A0170 | LEONARDO SPA AEROSTRUCTURE DIVISION |
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Techincal Specification:
| THREAD SERIES | UNJF | | NOMINAL THREAD SIZE | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | MATERIAL | STEEL COMP 8740 OR | | STEEL COMP E4340 OR | | STEEL COMP 4037 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR | | MIL-S-8695 MIL SPEC 3RD MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND | | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND | | 44.0 ROCKWELL C MAXIMUM | | NUT STYLE | SINGLE BALL SEAT, HEXAGON | | BALL SEAT RADIUS | 0.375 INCHES MINIMUM AND | | 0.380 INCHES MAXIMUM | | NUT HEIGHT | 0.280 INCHES MINIMUM AND | | 0.290 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.366 INCHES MINIMUM AND | | 0.376 INCHES MAXIMUM | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | LUBRICATION | DRY FILM LUBRICANT |
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