NSN 4730-00-278-5541

Part Details | TUBE COUPLING INVERTED NUT

4730-00-278-5541 An externally threaded fastening device which has an internal or external seat, designed to mate with the seat of an internally threaded tube fitting for the purpose of securing the tube to the fitting to form a leakproof connection.

Alternate Parts: 81LB03, 81-LB-03, 1252PTRL646, 125-2PTRL646, 61HD3, 61HD-3, 4730-00-278-5541, 00-278-5541, 4730002785541, 002785541

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-278-554103857 ( INVERTED NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

INVERTED NUT, TUBE, FLARE

Cross Reference | NSN 4730-00-278-5541
Part Number Cage Code Manufacturer
81-LB-0330327IMPERIAL
125-2PTRL64635211LAUSON DIVISIONOF TECUMSEH PRODUCTS CO
61HD-393061PARKER-HANNIFIN CORPORATIONDBA FLUID SYSTEM CONNECTORS DIVISION
Technical Data | NSN 4730-00-278-5541
Characteristic Specifications
MATERIAL COPPER ALLOY
CASEHARDENING INDICATOR NOT CASEHARDENED
FABRICATION METHOD BAR STOCK, MACHINED
STYLE DESIGNATOR5 INVERTED NUT, TUBE, FLARE
OVERALL LENGTH0.688 INCHES NOMINAL
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.190 INCHES NOMINAL
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.188 INCHES NOMINAL
THREAD SIZE3/8-24
SCREW THREAD SERIES DESIGNATOR UNF
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND