Product Details | TUBE FITTING LOCKNUT

4730-00-277-5081 An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also LOCKNUT, PIPE; NUT (1), TUBE COUPLING and NUT (1), PLAIN, HEXAGON.

Part Alternates: AFP105D8, AN62898D, AN6289-8D, AN6289D8, AS4841, AS5179, AS5179D08, BACN10DU8D, 477 733, 477733, 4730-00-277-5081, 00-277-5081, 4730002775081, 002775081

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1961 00-277-5081

Demand History | NSN 4730-00-277-5081

Part Number Request Date QTY Origin
AN6289D8 2025-08-220 4 United States
AS4841 2025-04-106 1 France
4730-00-277-5081 2022-09-248 394 DIBBS
4730-00-277-5081 2018-05-126 562 DIBBS
4730-00-277-5081 2018-02-46 2062 DIBBS
4730-00-277-5081 2018-02-35 2062 DIBBS
4730-00-277-5081 2017-09-257 2 TR
4730-00-277-5081 2016-02-48 1573 DIBBS
AN6289-8D 2015-05-138 1 United States
AN6289-8D 2015-05-138 1 United States
AS5179D08 2014-08-232 8 Australia
AS5179D08 2014-08-232 8 United States
AS5179D08 2014-08-232 8 United States
AS5179D08 2014-08-227 8 Australia
4730-00-277-5081 2014-05-136 3 Sri Lanka
AN6289D8 2012-11-310 50
AN62898D 2012-04-101 5 United States
AS5179D08 2012-04-101 5 United States
4730-00-277-5081 2012-02-38 1321 DIBBS
4730-00-277-5081 2011-08-230 100 MANUAL
AN6289D8 2011-08-230 100 United Kingdom
AS4841 2011-03-69 8
4730-00-277-5081 2010-12-355 2012 DIBBS
AN62898D 2010-11-305 500 US
4730-00-277-5081 2010-03-71 12 United States
4730-00-277-5081 2009-06-156 121 DIBBS
4730-00-277-5081 2008-06-175 1 us

Cross Reference | NSN 4730-00-277-5081

Part Number Cage Code Manufacturer
477 733 77294 PIPER AIRCRAFT INC.
AFP105D8 30974 AEROFIT, LLC
AN6289-8D 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN6289D8 00624 EATON CORPORATION DBA AEROSPACE DIV
AN6289D8 14397 FABER ENTERPRISES, INC.
AN6289D8 14798 DESIGNED METAL CONNECTIONS, INC. DBA PERMASWAGE
AN6289D8 22995 CROWN FITTING CO INC
AN6289D8 71563 COLLINS ENGINEERING CORP
AN6289D8 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN6289D8 95764 AIR ASSOCIATES INC
AN6289D8 R1120 SATAIR A/S
AS4841 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5179 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS5179D08 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
BACN10DU8D 81205 THE BOEING COMPANY DBA BOEING

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Restrictions/Controls & Freight Information | NSN 4730-00-277-5081

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: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