NSN 4730-01-132-1543

Part Details | TUBE FITTING LOCKNUT

4730-01-132-1543 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: 74B580171101, 74B580171-101, 74B580171, LS580171101, LS580171-101, LS580171101, LS580171-101, LS580171, 4730-01-132-1543, 01-132-1543, 4730011321543, 011321543

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47MAY 24, 198201-132-154317645 ( LOCKNUT, TUBE FITTING )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4730-01-132-1543
Part Number Cage Code Manufacturer
74B580171-10176301BOEING COMPANY, THEDBA BOEING
74B58017176301BOEING COMPANY, THEDBA BOEING
LS580171-10116941LONG-LOK FASTENERS CORPORATION
LS580171-10103038LONG-LOK FASTENERS CORPORATION
LS58017116941LONG-LOK FASTENERS CORPORATION
Technical Data | NSN 4730-01-132-1543
Characteristic Specifications
THREAD SERIES UNJ
NOMINAL THREAD SIZE1.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT HEIGHT0.500 INCHES NOMINAL
PACKING RECESS DIAMETER1.784 INCHES NOMINAL
PACKING RECESS DEPTH0.100 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER1.250 INCHES
SPECIAL FEATURESOUTSIDE EDGE OF NUT IS FLANGED