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National Stock Number:
4730-01-578-1785
Federal Supply Class:
4730
National Item Identification Number:
015781785
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:
| AS21921-4J | 0U583 | SAE INTERNATIONAL | | AS21921-4J | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | SAE-AS18280 | 0U583 | SAE INTERNATIONAL |
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Techincal Specification:
| LENGTH TO SHOULDER | 0.537 INCHES MINIMUM AND 0.557 INCHES MAXIMUM | | MATERIAL | STEEL COMP 304 OVERALL | | NOMINAL THREAD SIZE | 0.438 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES | | NUT HEIGHT | 0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM | | NUT STYLE | TUBE COUPLING | | SEAT ANGLE | 45.00 DEGREES NOMINAL | | SMALLEST INSIDE DIAMETER | 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) | | THREAD QUANTITY PER INCH | 20 | | WIDTH ACROSS FLATS | 0.562 INCHES NOMINAL |
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