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		                        | National Stock Number:
 4730-00-528-0203
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 005280203
 
 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:
 
 | 4-4 ZHBA5-A | 54938 | PARKER-HANNIFIN CORPORATION |  | 4-4ZHBA5-D | 54938 | PARKER-HANNIFIN CORPORATION |  | A400-1-0R | 02570 | SWAGELOK CO |  | A400-1-0R | 11649 | CAJON CO |  | A400-1-0R | 3T9T9 | SWAGELOK CO |  | 4-4ZHBAJ-A | 54938 | PARKER-HANNIFIN CORPORATION |  | A400-1-0R438-20 | 02570 | SWAGELOK CO |  | A400-1-0R438-20 | 3T9T9 | SWAGELOK CO | 
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 Techincal Specification:
 
 | MATERIAL | ALUMINUM ALLOY OVERALL |  | SURFACE TREATMENT | ANODIZE BODY |  | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID 1ST RESPONSE |  |  | AERONAUTICAL FLUID 2ND RESPONSE |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |  |  | THREADED EXTERNAL BOSS 2ND END |  | CONNECTION STYLE | FLARELESS (TUBE) 1ST END |  |  | GASKET SEAL (BOSS) 2ND END |  | SEAT ANGLE | 20.0 DEGREES 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | UNF ALL ENDS |  | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END |  |  | 0.438 INCHES 2ND END |  | THREAD CLASS | 2A ALL ENDS |  | NOMINAL OVERALL LENGTH | 1.218 INCHES |  | FURNISHED ITEMS AND QUANTITY | 1 TUBE COUPLING NUT W/SLEEVE AND |  |  | 1 PREFORMED PACKING |  | SPECIAL FEATURES | GRUMMAN AEROSPACE CORP A10 AIRCRAFT | 
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