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National Stock Number:
4730-01-196-7432
Federal Supply Class:
4730
National Item Identification Number:
011967432
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:
| NK0670-1 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | NK0670-1 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | NK06701-1 | 12570 | DRESSER-RAND HOLDINGS, LLC | | NK06701-1 | 7Y333 | ARGO TURBOSERVE CORPORATION | | S-203 | 93591 | PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP | | NK0670-1 | 93591 | PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP | | S-203-11 | 93591 | PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP | | S-920 | 93591 | PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP | | S-920 PIECE 4 | 93591 | PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP | | S203PC11 | 93591 | PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP |
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Techincal Specification:
| PACKING RECESS DIAMETER | 2.125 INCHES NOMINAL | | PACKING RECESS DEPTH | 0.188 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 903 OVERALL | | NOMINAL THREAD SIZE | 1.875 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 1.500 INCHES | | NUT HEIGHT | 0.562 INCHES NOMINAL | | NUT STYLE | TUBE FITTING LOCKNUT | | SPECIAL FEATURES | MATERIAL IS GUNMETAL | | WIDTH ACROSS FLATS | 2.500 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2B | | THREAD SERIES | UN | | THREAD QUANTITY PER INCH | 12 |
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