Product Details | TUBE TO BOSS STRAIGHT ADAPTER

4730-00-186-9502 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: AN894D84, AN894D8-4, AS4875, AS4875/1, AS48751, AS5173, MILF5509, MIL-F-5509, 8489789, 4730-00-186-9502, 00-186-9502, 4730001869502, 001869502

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

Supply Group (FSG) NSN Assign. NIIN
47 00-186-9502

Drawings & Photos | NSN 4730-00-186-9502


Demand History | NSN 4730-00-186-9502

Part Number Request Date QTY Origin
AN894D84 2021-02-49 100 United States
MILF5509 2018-07-201 6 United States
AN894D84 2014-09-245 10 Ukraine
4730-00-186-9502 2009-11-327 13 DIBBS
4730-00-186-9502 2009-10-302 13 DIBBS
MILF5509 2009-10-301 1 PK
MILF5509 2009-02-55 100 US

Cross Reference | NSN 4730-00-186-9502

Part Number Cage Code Manufacturer
8489789 18876 U S ARMY AVIATION AND MISSILE COMMAND
AN894-8-4D 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN894D8-4 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AS4875/1 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5173 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5173D0804 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MIL-F-5509 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MS24398D8-4 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 4730-00-186-9502

Characteristic Specifications
MATERIAL ALUMINUM ALLOY OVERALL
SURFACE TREATMENT ANODIZE 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 UNJF 1ST END UNJF 2ND END
NOMINAL THREAD SIZE 0.438 INCHES 1ST END 0.750 INCHES 2ND END
THREAD CLASS 3A ALL ENDS
NOMINAL OVERALL LENGTH 1.578 INCHES
SPECIFICATION/STANDARD DATA 81343-AS4875/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 4730-00-186-9502

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
Category Code Description
No Freight Information