NSN 4730-00-727-8912

Part Details | TUBE FITTING LOCKNUT

4730-00-727-8912 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.

Alternate Parts: MILF18866, MIL-F-18866, MS5186055SS, MS51860-55SS, 5WLNSS, 5WLN-SS, 5WLNSS, 5WLN-SS, 6 080118S, J514, 4730-00-727-8912, 00-727-8912, 4730007278912, 007278912

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-727-891217645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-00-727-8912
Part Number Cage Code Manufacturer
MIL-F-1886681349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MS51860-55SS96906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
5WLN-SS98441PARKER-HANNIFIN CORPORATIONDBA STRATOFLEX PRODUCTS DIVISION
5WLN-SS30780PARKER-HANNIFIN CORPORATIONDBA TUBE FITTINGS DIVISION
6 080118S81343SOCIETY OF AUTOMOTIVE ENGINEERS INC
J51481343SOCIETY OF AUTOMOTIVE ENGINEERS INC
Technical Data | NSN 4730-00-727-8912
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.562 INCHES
THREAD QUANTITY PER INCH18
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.265 INCHES NOMINAL
WIDTH ACROSS FLATS0.812 INCHES NOMINAL
PACKING RECESS DIAMETER0.812 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.375 INCHES
SPECIFICATION/STANDARD DATA96906-MS51860 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATA25B FIGURE