Product Details | TUBE TO BOSS STRAIGHT ADAPTER

4730-01-521-4081 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: AN894W84, AN894W8-4, AS5173W0804, 4730-01-521-4081, 01-521-4081, 4730015214081, 015214081

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

Supply Group (FSG) NSN Assign. NIIN
47 21 JUN 2004 01-521-4081

Demand History | NSN 4730-01-521-4081

Part Number Request Date QTY Origin
AS5173W0804 2017-11-332 1 US

Cross Reference | NSN 4730-01-521-4081

Part Number Cage Code Manufacturer
AN894W8-4 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS5173W0804 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC

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Technical Data | NSN 4730-01-521-4081

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 7075 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/9, T73 FED SPEC SINGLE MATERIAL RESPONSE OR AMS 4124,T7351 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS2472 ASSN STD SINGLE TREATMENT RESPONSE OR MIL-A-8625, TYPE II, CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED INTERNAL BOSS 2ND END
CONNECTION STYLE B64 FLARED 1ST END B9 GASKET SEAL 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END UNF 2ND END
NOMINAL THREAD SIZE 0.437 INCHES 1ST END 0.750 INCHES 2ND END
THREAD CLASS 3A 1ST END 3B 2ND END
NOMINAL OVERALL LENGTH 1.609 INCHES

Restrictions/Controls & Freight Information | NSN 4730-01-521-4081

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information