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National Stock Number:
4730-01-040-0951
Federal Supply Class:
4730
National Item Identification Number:
010400951
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:
| 10108492 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | R44118-D6 | 50599 | PARKER-HANNIFIN CORPORATION | | ST7M223D6 | 14798 | DESIGNED METAL CONNECTIONS INC | | ST7M223D6 | 50599 | PARKER-HANNIFIN CORPORATION | | ST7M223D6 | 52930 | NELSON AERO SPACE, INC. | | ST7M223 | 76301 | THE BOEING COMPANY | | ST7M223D6 | 59945 | BAILEY HOSE INC | | ST7M223D6 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| PACKING RECESS DEPTH | 0.025 INCHES NOMINAL | | PACKING RECESS DIAMETER | 0.578 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.562 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 0.375 INCHES | | NUT HEIGHT | 0.244 INCHES MINIMUM AND 0.265 INCHES MAXIMUM | | NUT STYLE | TUBE FITTING LOCKNUT | | WIDTH ACROSS FLATS | 0.812 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3B | | THREAD SERIES | UNJS | | THREAD QUANTITY PER INCH | 18 |
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