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		                        | National Stock Number:
 4730-00-859-3541
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 008593541
 
 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:
 
 | 4730PL1459554 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |  | AS18280 | 0U583 | SAE INTERNATIONAL |  | AS21921 | 0U583 | SAE INTERNATIONAL |  | AS21921 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | AS18280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | MILF18280 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | MS21921-16J | 00624 | EATON AEROQUIP LLC |  | MS21921-16J | 0U583 | SAE INTERNATIONAL |  | SAE-AS18280 | 0U583 | SAE INTERNATIONAL |  | MS21921-16J | 14798 | DESIGNED METAL CONNECTIONS INC |  | MS21921-16J | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | MS21921-16C | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | MS21921J16 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | MS21921-16J | R1120 | SATAIR A/S | 
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 Techincal Specification:
 
 | THREAD SERIES | UNJ |  | NOMINAL THREAD SIZE | 1.312 INCHES |  | THREAD QUANTITY PER INCH | 12 |  | THREAD CLASS | 3B |  | THREAD DIRECTION | RIGHT-HAND |  | MATERIAL | STEEL COMP 304 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | NUT STYLE | TUBE COUPLING |  | NUT HEIGHT | 1.050 INCHES NOMINAL |  | WIDTH ACROSS FLATS | 1.500 INCHES NOMINAL |  | LENGTH TO SHOULDER | 0.687 INCHES NOMINAL |  | SMALLEST INSIDE DIAMETER | 1.074 INCHES NOMINAL |  | SEAT ANGLE | 45.00 DEGREES NOMINAL |  | NOMINAL TUBE OUTSIDE DIAMETER | 1.000 INCHES |  | SPECIFICATION/STANDARD DATA | 96906-MS21921 GOVERNMENT STANDARD | 
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