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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:
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | THREADED EXTERNAL BOSS 2ND END | | THREADED INTERNAL BOSS 3RD END | | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END | | DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) 2ND END | | GASKET SEAL (BOSS) 3RD END | | THREAD SERIES DESIGNATOR | UNJF 1ST END | | UNF 2ND END | | UNJF 3RD END | | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END | | 0.750 INCHES 2ND END | | 0.438 INCHES 3RD END | | THREAD CLASS | 3B 1ST END | | 3A 2ND END | | 3B 3RD END | | LEG LENGTH | 0.620 INCHES NOMINAL 1ST END | | 1.380 INCHES NOMINAL 2ND END | | 0.750 INCHES NOMINAL 3RD END |
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