Product Details | TUBE TO BOSS TEE

4730-00-277-5031 A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The tube connection(s) has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. The boss connection(s) 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 may have side inlet(s). It is used as a junction at the intersection of a tube or fitting and a boss or boss fitting on items such as a tank, housing, valve fitting, or the like. See also TEE, TUBE; and TEE, PIPE TO TUBE. Excludes CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.

Part Alternates: AN783D20, 4730-00-277-5031, 00-277-5031, 4730002775031, 002775031

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

Supply Group (FSG) NSN Assign. NIIN
47 01-JAN-63 00-277-5031

Cross Reference | NSN 4730-00-277-5031

Part Number Cage Code Manufacturer
AN783D20 00624 EATON CORPORATION DBA AEROSPACE DIV
AN783D20 06581 ALLAN AIRCRAFT SUPPLY CO, LLC
AN783D20 13899 HYDRO FITTING MANUFACTURING CORPORATION
AN783D20 14397 FABER ENTERPRISES, INC.
AN783D20 14798 DESIGNED METAL CONNECTIONS, INC. DBA PERMASWAGE
AN783D20 22995 CROWN FITTING CO INC
AN783D20 30974 AEROFIT, LLC
AN783D20 71563 COLLINS ENGINEERING CORP
AN783D20 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

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Technical Data | NSN 4730-00-277-5031

Characteristic Specifications
MATERIAL ALUMINUM ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/4,TEMPER T6 FED SPEC ALL MATERIAL RESPONSES AND QQ-A-225/6,TEMPER T6 OR T851 FED SPEC ALL MATERIAL RESPONSES AND QQ-A-367,ALLOY 2014,TEMPER T6 FED SPEC ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT ANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL TUBE 2ND END THREADED INTERNAL BOSS 3RD END
CONNECTION STYLE B64 FLARED 1ST END B64 FLARED 2ND END B9 GASKET SEAL 3RD END
SEAT ANGLE 37.0 DEGREES 1ST END 37.0 DEGREES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 1.250 INCHES 1ST END 1.250 INCHES 2ND END
THREAD SERIES DESIGNATOR UNJ ALL ENDS UNJ 1ST END BULKHEAD
NOMINAL THREAD SIZE 1.625 INCHES ALL ENDS 1.625 INCHES 1ST END BULKHEAD
THREAD QUANTITY PER INCH 12 ALL ENDS 12 1ST END BULKHEAD
THREAD CLASS 3A 1ST END 3A 2ND END 3B 3RD END 3A 1ST END BULKHEAD
LEG LENGTH 3.031 INCHES NOMINAL 1ST END 2.250 INCHES NOMINAL 2ND END 1.718 INCHES NOMINAL 3RD END
SPECIFICATION/STANDARD DATA 88044-NA783 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN783D20

Restrictions/Controls & Freight Information | NSN 4730-00-277-5031

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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.
Category Code Description
No Freight Information