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National Stock Number:
4730-01-341-1229
Federal Supply Class:
4730
National Item Identification Number:
013411229
Description:
NUT,TUBE COUPLING
Detail:
AN INTERNALLY THREADED NUT WHICH HAS EITHER AN INTERNAL SEAT OR SHOULDER AND/OR IS DESIGNED TO BE USED WITH A FERRULE, TO MATE WITH THE SEAT OF AN EXTERNALLY THREADED TUBE FITTING TO FORM A LEAKPROOF CONNECTION. EXCLUDES NUT (1), TUBE COUPLING, REDUCING; AND NUT (1), UNION.
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Manufacturer Information:
| AN818-L4KN | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AN818L4K | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AS4841 | 0U583 | SAE INTERNATIONAL | | SAE-AS4841 | 0U583 | SAE INTERNATIONAL | | AN818L4KN | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
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Techincal Specification:
| FABRICATION METHOD | MACHINED | | LUBRICATION | DRY FILM LUBRICANT | | MATERIAL | STEEL COMP 316 OVERALL | | NOMINAL THREAD SIZE | 0.437 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES | | NUT HEIGHT | 0.620 INCHES NOMINAL | | NUT STYLE | TUBE COUPLING | | SMALLEST INSIDE DIAMETER | 0.305 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.563 INCHES NOMINAL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
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