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National Stock Number:
4730-01-089-0471
Federal Supply Class:
4730
National Item Identification Number:
010890471
Description:
ELBOW,PIPE TO BOSS
Detail:
A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. One connecting end has standard pipe threads, or is unthreaded and designed to accommodate a pipe. The other end has external or internal machine threads (straight threads other than pipe or hose series), and is designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to connect a pipe or pipe fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like. See also ELBOW, PIPE; and ELBOW, PIPE TO TUBE. Excludes CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.
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Manufacturer Information:
| 2621-021-02ASSY18 | 71905 | DERBYSHIRE MACHINE & TOOL CO | | 2621-021-02ASSY18 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END | | CONNECTION TYPE | UNTHREADED EXTERNAL PIPE 1ST END | | CONNECTION STYLE | DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) 2ND END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | FLOW ANGLE | 90.0 DEGREES | | FURNISHED ITEMS AND QUANTITY | 1 LOCKNUT AND 1 TUBE COUPLING NUT AND 1 PREFORMED PACKING AND 1 SEAL AND 1 TAILPIECE AND 1 FLAT WASHER | | LEG LENGTH | 2.188 INCHES NOMINAL 1ST END | | LEG LENGTH | 1.250 INCHES NOMINAL 2ND END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE NUT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE ELBOW | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE THREAD PIECE | | MATERIAL | COPPER ALLOY NUT | | MATERIAL | STEEL COMP 304 ELBOW | | MATERIAL | STEEL COMP 304 THREAD PIECE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.750 INCHES 2ND END | | THREAD CLASS | 2A 2ND END | | THREAD SERIES DESIGNATOR | UNF 2ND END |
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