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National Stock Number:
4730-01-487-9890
Federal Supply Class:
4730
National Item Identification Number:
014879890
Description:
FLANGE,PIPE
Detail:
An item solid or split into halves, having a threaded or unthreaded hole for the purpose of connecting or retaining a pipe, tube, or hose fitting. The face of the flange may be smooth, grooved, or serrated and may be drilled for connecting bolts or studs. If the item is unthreaded, the pipe or tube may be retained by welding, brazing, compression, or the like. Excludes FLANGE, PIPE, BLIND; FERRULE, GROOVED CLAMP COUPLING; and ADAPTER (as modified).
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Manufacturer Information:
| 5PTC4004-168 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| PROPRIETARY CHARACTERISTICS | NPAC | | NOMINAL THREAD SIZE | 4.500 INCHES | | SCREW THREAD SERIES DESIGNATOR | UNJ | | SPECIAL FEATURES | UNIQUE SHAPE-ROUND WITH 6 THREADED FLANGE LOBES-.026 DIAMETER EACH. NAME GIVEN BY MANUFACTURER-COLLAR, FITTING. | | THREAD CLASS | 3B | | THREAD QUANTITY PER INCH | 16 | | TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED | 4.250 INCHES NOMINAL |
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