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National Stock Number:
4730-00-289-9138
Federal Supply Class:
4730
National Item Identification Number:
002899138
Description:
ELBOW,TUBE TO BOSS
Detail:
A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. 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 tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.
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Manufacturer Information:
| 7M18D4 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY OVERALL | | SURFACE TREATMENT | ANODIZE INSIDE | | ANODIZE OUTSIDE | | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | THREADED INTERNAL BOSS 2ND END | | CONNECTION STYLE | FLARELESS (TUBE) 1ST END | | GASKET SEAL (BOSS) 2ND END | | SEAT ANGLE | 12.0 DEGREES 1ST END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | UNF 2ND END | | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END | | 0.438 INCHES 2ND END | | THREAD CLASS | 3A 1ST END | | 3B 2ND END | | LEG LENGTH | 1.766 INCHES NOMINAL 1ST END | | 0.547 INCHES NOMINAL 2ND END | | FLOW ANGLE | 90.0 DEGREES | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 76301 | | DESIGN CONTROL REFERENCE | 7M18D4 |
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