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National Stock Number:
4730-01-143-7988
Federal Supply Class:
4730
National Item Identification Number:
011437988
Description:
LOCKNUT,TUBE FITTING
Detail:
AN ITEM WITH INTERNAL MACHINE THREADS DESIGNED TO FIT THE EXTERNAL MACHINE THREADS OF A TUBE FITTING. IT HAS FLAT FACES, ONE OF WHICH HAS A COUNTERBORED RECESS TO ACCOMMODATE PACKING, PACKING OR SEALING RING(S), GASKET(S), AND THE LIKE. THE ITEM, WHEN INSTALLED, PROVIDES A METHOD OF LOCKING AND SEALING THE CONNECTION. SEE ALSO LOCKNUT, PIPE; NUT (1), TUBE COUPLING AND NUT (1), PLAIN, HEXAGON.
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Manufacturer Information:
| AN6289W4 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AS4841 | 0U583 | SAE INTERNATIONAL | | AS5179 | 0U583 | SAE INTERNATIONAL | | AS5179 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS5179-W4 | F0553 | ZODIAC AEROTECHNICS | | AS5179W04 | 0U583 | SAE INTERNATIONAL | | SAE-AS4841 | 0U583 | SAE INTERNATIONAL | | AS5179W04 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS5179W4 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
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Techincal Specification:
| PACKING RECESS DEPTH | 0.042 INCHES NOMINAL | | PACKING RECESS DIAMETER | 0.608 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 7075 OVERALL | | NOMINAL THREAD SIZE | 0.438 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES | | NUT HEIGHT | 0.281 INCHES NOMINAL | | NUT STYLE | TUBE FITTING LOCKNUT | | WIDTH ACROSS FLATS | 0.688 INCHES NOMINAL | | SPECIFICATION/STANDARD DATA | 88044-AS5179 GOVERNMENT STANDARD | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
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