NSN 4730-01-142-7766

Part Details | TUBE FITTING LOCKNUT

4730-01-142-7766 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: MS5186051SS, MS51860-51SS, 4730-01-142-7766, 01-142-7766, 4730011427766, 011427766

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47NOV 20, 198201-142-776617645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES

TUBE FITTING LOCKNUT

Cross Reference | NSN 4730-01-142-7766
Part Number Cage Code Manufacturer
MS51860-51SS96906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 4730-01-142-7766
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE FITTING LOCKNUT
NUT HEIGHT0.220 INCHES NOMINAL
WIDTH ACROSS FLATS0.562 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.125 INCHES
SPECIFICATION/STANDARD DATA96906-MS51860 GOVERNMENT STANDARD