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National Stock Number:
4730-00-175-2989
Federal Supply Class:
4730
National Item Identification Number:
001752989
Description:
ADAPTER,STRAIGHT,TUBE TO BOSS
Detail:
An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end 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 is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also COUPLING, TUBE and NIPPLE, TUBE.
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Manufacturer Information:
| 4H12053-111A | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END | | CONNECTION STYLE | FLARELESS (TUBE) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL BOSS SECOND END | | CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES FIRST END | | NOMINAL OVERALL LENGTH | 0.993 INCHES | | NOMINAL THREAD SIZE | 0.438 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.438 INCHES SECOND END | | SEAT ANGLE | 12.0 DEGREES FIRST END | | SURFACE TREATMENT | CADMIUM INSIDE | | SURFACE TREATMENT | CADMIUM OUTSIDE | | THREAD CLASS | 3A FIRST END | | THREAD CLASS | 3A SECOND END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END | | THREAD SERIES DESIGNATOR | UNJS SECOND END | | THREAD QUANTITY PER INCH | 18 SECOND END |
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