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National Stock Number:
4730-00-066-1390
Federal Supply Class:
4730
National Item Identification Number:
000661390
Description:
TEE,BOSS
Detail:
A FITTING HAVING THREE CONNECTIONS WITH THE BRANCH CONNECTION FIXED AT 90 DEGREES (1.5705 RADIANS) TO THE RUN. THE CONNECTIONS HAVE EXTERNAL OR INTERNAL MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES), AND ARE DESIGNED TO FACILITATE A GASKET, PREFORMED PACKING, WASHER, OR THE LIKE, TO FORM A SEAL AT THE BOSS. IT MAY HAVE SIDE INLET(S). IT IS USED AS A JUNCTION AT THE INTERSECTION OF A BOSS OR BOSS FITTING ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE. EXCLUDES TEE, TUBE.
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Manufacturer Information:
| 73150 | 1DC28 | HELICOPTER PARTS SERVICE INC | | 73150 | 89446 | HILLER AIRCRAFT CORPORATION |
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Techincal Specification:
| CONNECTION STYLE | DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) 2ND END | | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END | | CONNECTION STYLE | GASKET SEAL (BOSS) 3RD END | | CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | CONNECTION TYPE | THREADED INTERNAL BOSS 3RD END | | LEG LENGTH | 0.620 INCHES NOMINAL 1ST END | | LEG LENGTH | 0.750 INCHES NOMINAL 3RD END | | LEG LENGTH | 1.380 INCHES NOMINAL 2ND END | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.438 INCHES 3RD END | | NOMINAL THREAD SIZE | 0.750 INCHES 2ND END | | THREAD CLASS | 3A 2ND END | | THREAD CLASS | 3B 1ST END | | THREAD CLASS | 3B 3RD END | | THREAD SERIES DESIGNATOR | UNF 2ND END | | THREAD SERIES DESIGNATOR | UNJF 1ST END | | THREAD SERIES DESIGNATOR | UNJF 3RD END |
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