Product Details | BOSS TEE

4730-01-434-4619 A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have external or internal machine threads (straight threads other than pipe or hose series), and are designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side inlet(s). It is used as a junction at the intersection of a boss or boss fitting on items such as tanks, housings, valve fittings, and the like. Excludes TEE, TUBE.

Part Alternates: AS1032J040604, MILF5509, MIL-F-5509, 4730-01-434-4619, 01-434-4619, 4730014344619, 014344619

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

Supply Group (FSG) NSN Assign. NIIN
47 30 JUL 1996 01-434-4619

Demand History | NSN 4730-01-434-4619

Part Number Request Date QTY Origin
4730-01-434-4619 2025-04-107 3 DIBBS
AS1032J040604 2022-08-224 1 United States
4730-01-434-4619 2022-08-224 1 United States
MILF5509 2018-07-201 6 United States
MILF5509 2009-10-301 1 PK
MILF5509 2009-02-55 100 US

Cross Reference | NSN 4730-01-434-4619

Part Number Cage Code Manufacturer
AS1032J040604 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MIL-F-5509 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 4730-01-434-4619

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT CADMIUM OVERALL
CONNECTION TYPE THREADED INTERNAL BOSS 1ST END THREADED EXTERNAL BOSS 2ND END THREADED EXTERNAL BOSS 3RD END
CONNECTION STYLE B9 GASKET SEAL 1ST END B81 FLARED W/GASKET SEAL 2ND END B81 FLARED W/GASKET SEAL 3RD END
THREAD SERIES DESIGNATOR UNJF ALL ENDS
NOMINAL THREAD SIZE 0.437 INCHES 1ST END 0.563 INCHES 2ND END 0.437 INCHES 3RD END
THREAD QUANTITY PER INCH 20 1ST END 18 2ND END 20 3RD END
THREAD CLASS 3B 1ST END 3A 2ND END 3A 3RD END
LEG LENGTH 1.211 INCHES MINIMUM AND 1.773 INCHES MAXIMUM 1ST END 1.273 INCHES MINIMUM AND 2.023 INCHES MAXIMUM 2ND END 1.211 INCHES MINIMUM AND 1.773 INCHES MAXIMUM 3RD END
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-F-5509

Restrictions/Controls & Freight Information | NSN 4730-01-434-4619

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