NSN 4730-00-278-5551

Part Details | TUBE COUPLING INVERTED NUT

4730-00-278-5551 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: 6100X3, 6100X3, 181D316, 181D3-16, 181D03, 81TS3, 4730-00-278-5551, 00-278-5551, 4730002785551, 002785551

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-278-555103857 ( INVERTED NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

INVERTED NUT, TUBE, COMPRESSION

Cross Reference | NSN 4730-00-278-5551
Part Number Cage Code Manufacturer
6100X379470DANA CORPWEATHERHEAD DIV
6100X301276EATON-AEROQUIP INCDIV FLUID CONNECTORS PRODUCTS
181D3-1630327IMPERIAL
181D0330327IMPERIAL
81TS393061PARKER-HANNIFIN CORPORATIONDBA FLUID SYSTEM CONNECTORS DIVISION
Technical Data | NSN 4730-00-278-5551
Characteristic Specifications
MATERIAL COPPER ALLOY
CASEHARDENING INDICATOR NOT CASEHARDENED
FABRICATION METHOD ANY ACCEPTABLE
STYLE DESIGNATOR INVERTED NUT, TUBE, COMPRESSION
OVERALL LENGTH0.531 INCHES NOMINAL
SEAT RADIUS0.219 INCHES NOMINAL
WIDTH ACROSS FLATS0.375 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.191 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
END ITEM IDENTIFICATIONGRUMMAN AIRCRAFT,MODEL A10