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National Stock Number:
4730-01-132-1543
Federal Supply Class:
4730
National Item Identification Number:
011321543
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:
| 74B580171 | 76301 | THE BOEING COMPANY | | 74B580171-101 | 76301 | THE BOEING COMPANY | | LS580171-101 | 03038 | LONG-LOK, LLC | | LS580171-101 | 16941 | LONG-LOK LLC | | LS580171 | 16941 | LONG-LOK LLC |
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Techincal Specification:
| PACKING RECESS DIAMETER | 1.784 INCHES NOMINAL | | PACKING RECESS DEPTH | 0.100 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,COND T851 FED SPEC SINGLE MATERIAL RESPONSE NUT | | MATERIAL | ALUMINUM ALLOY 2024 NUT | | MATERIAL | PLASTIC LOCKING INSERT | | NOMINAL THREAD SIZE | 1.750 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 1.250 INCHES | | NUT HEIGHT | 0.500 INCHES NOMINAL | | SPECIAL FEATURES | OUTSIDE EDGE OF NUT IS FLANGED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT | | SURFACE TREATMENT | ANODIZE NUT | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3B | | THREAD SERIES | UNJ | | THREAD QUANTITY PER INCH | 16 |
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