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National Stock Number:
4730-01-201-2255
Federal Supply Class:
4730
National Item Identification Number:
012012255
Description:
NUT,TUBE COUPLING
Detail:
AN INTERNALLY THREADED NUT WHICH HAS EITHER AN INTERNAL SEAT OR SHOULDER AND/OR IS DESIGNED TO BE USED WITH A FERRULE, TO MATE WITH THE SEAT OF AN EXTERNALLY THREADED TUBE FITTING TO FORM A LEAKPROOF CONNECTION. EXCLUDES NUT (1), TUBE COUPLING, REDUCING; AND NUT (1), UNION.
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Manufacturer Information:
| 2620-219X1 PC146 | 96169 | ELECTRIC BOAT CORPORATION | | 845-1889863 PC146 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 845-2445071ITEM34 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | NS4-4 | 39130 | KOLPAK INDUSTRIES INC MC CALL REFRIGERATOR DIV |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | FABRICATION METHOD | FORGED | | LENGTH TO SHOULDER | 0.440 INCHES NOMINAL | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.438 INCHES | | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES | | NUT HEIGHT | 0.590 INCHES NOMINAL | | NUT STYLE | TUBE COUPLING | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SEAT ANGLE | 43.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM | | SMALLEST INSIDE DIAMETER | 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL | | THREAD CLASS | 2B | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES | UNF | | THREAD QUANTITY PER INCH | 20 |
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