Product Details | TUBE TO BOSS STRAIGHT ADAPTER

4730-01-028-5543 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.

Part Alternates: 2875396, 287539-6, 4730-01-028-5543, 01-028-5543, 4730010285543, 010285543

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 06 OCT 1976 01-028-5543

Demand History | NSN 4730-01-028-5543

Part Number Request Date QTY Origin
4730-01-028-5543 2013-08-234 1 US
4730-01-028-5543 2013-05-128 1 AR

Cross Reference | NSN 4730-01-028-5543

Part Number Cage Code Manufacturer
287539-6 99193 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL

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Technical Data | NSN 4730-01-028-5543

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED INTERNAL BOSS 2ND END
CONNECTION STYLE B64 FLARED 1ST END B9 GASKET SEAL 2ND END
SEAT ANGLE 37.0 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
REDUCED PASSAGE NOMINAL INSIDE DIAMETER 0.025 INCHES ALL ENDS
NOMINAL OVERALL LENGTH 1.300 INCHES

Restrictions/Controls & Freight Information | NSN 4730-01-028-5543

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information