Product Details | PIPE TO BOSS STRAIGHT ADAPTER

4730-00-174-7399 An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. 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 pipe or pipe fitting to a boss or boss fitting in a straight line on items such as tanks, housing, valve fittings, or the like. See also ADAPTER BUSHING and COUPLING, PIPE.

Part Alternates: 3830023163, 3830023-163, 3S30023163, 3S30023-163, 4730-00-174-7399, 00-174-7399, 4730001747399, 001747399

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

Supply Group (FSG) NSN Assign. NIIN
47 22 FEB 1973 00-174-7399

Cross Reference | NSN 4730-00-174-7399

Part Number Cage Code Manufacturer
3830023-163 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
3S30023-163 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 4730-00-174-7399

Characteristic Specifications
MATERIAL STEEL OVERALL
CONNECTION TYPE THREADED EXTERNAL PIPE 1ST END THREADED EXTERNAL BOSS 2ND END
CONNECTION STYLE B67B PLAIN 1ST END B71 EXTERNAL SEAT FOR GASKET SEAL 2ND END
NOMINAL PIPE SIZE ACCOMMODATED 0.750 INCHES 1ST END
THREAD SERIES DESIGNATOR ANPT 1ST END UN 2ND END
NOMINAL THREAD SIZE 0.750 INCHES 1ST END 1.312 INCHES 2ND END
THREAD QUANTITY PER INCH 12 2ND END
THREAD CLASS 3A 2ND END
NOMINAL OVERALL LENGTH 1.850 INCHES

Restrictions/Controls & Freight Information | NSN 4730-00-174-7399

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