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National Stock Number:
4730-00-790-3407
Federal Supply Class:
4730
National Item Identification Number:
007903407
Description:
ELBOW,BOSS
Detail:
A FITTING THAT FORMS AN ANGLE OF LESS THAN 180 DEGREES (3.141 RADIANS) FROM THE STRAIGHT FLOW. THE BOSS CONNECTIONS HAVE EXTERNAL AND/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 OR HEEL INLET(S). IT IS DESIGNED TO JOIN TWO BOSSES OR BOSS FITTINGS ON ITEMS SUCH AS TANKS, HOUSINGS, VALVE FITTINGS, AND THE LIKE. EXCLUDES ELBOW, TUBE.
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Manufacturer Information:
| 24288-1 | 01359 | TRIUMPH THERMAL SYSTEMS - MARYLAND, INC. | | 50031637 | I9002 | BUREAU DE GESTION OTAN HAWK | | 745305B | 03529 | AIR-A-PLANE CORP | | D8497-12-4 | 81336 | CHIEF OF ENGINEERS DEPT OF ARMY |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL BOSS 1ST END | | CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 1ST END | | FLOW ANGLE | 90.0 DEGREES | | LEG LENGTH | 2.282 INCHES MINIMUM AND 2.342 INCHES MAXIMUM 2ND END | | LEG LENGTH | 2.386 INCHES MINIMUM AND 2.466 INCHES MAXIMUM 1ST END | | MATERIAL | ALUMINUM ALLOY OVERALL | | NOMINAL THREAD SIZE | 1.688 INCHES 1ST END | | NOMINAL THREAD SIZE | 1.688 INCHES 2ND END | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3A 1ST END | | THREAD CLASS | 3A 2ND END | | THREAD SERIES DESIGNATOR | UNEF 1ST END | | THREAD SERIES DESIGNATOR | UNEF 2ND END |
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