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National Stock Number:
4730-01-133-1590
Federal Supply Class:
4730
National Item Identification Number:
011331590
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:
| 10108710 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 74B580173 | 76301 | THE BOEING COMPANY | | LS580173 | 03038 | LONG-LOK, LLC | | 74B580173-101 | 0PXV4 | THE BOEING COMPANY | | 74B580173-101 | 76301 | THE BOEING COMPANY | | 74B580173-101 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | LS580173-101 | 03038 | LONG-LOK, LLC |
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Techincal Specification:
| PACKING RECESS DEPTH | 0.090 INCHES NOMINAL | | PACKING RECESS DIAMETER | 2.580 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225,COND T851 FED SPEC SINGLE MATERIAL RESPONSE NUT | | MATERIAL | ALUMINUM ALLOY NUT | | MATERIAL | PLASTIC LOCKING INSERT | | NOMINAL THREAD SIZE | 2.500 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 2.000 INCHES | | NUT HEIGHT | 0.500 INCHES NOMINAL | | NUT STYLE | TUBE FITTING LOCKNUT | | SPECIAL FEATURES | OUTSIDE EDGE OF NUT IS FLANGED | | WIDTH ACROSS FLATS | 3.350 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT | | SURFACE TREATMENT | ANODIZE NUT | | THREAD CLASS | 3B | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES | UNIFIED NATIONAL JOINT (UNJ) |
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