NSN 4730-00-554-8018

Part Details | TUBE COUPLING NUT

4730-00-554-8018 An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes NUT (1), TUBE COUPLING, REDUCING; and NUT (1), UNION.

Alternate Parts: 4730005548018, MS219218, MS21921-8, AS21921, AS18280, MS219218, MS21921-8, 4730-00-554-8018, 00-554-8018, 4730005548018, 005548018

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-554-801803859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-554-8018
Part Number Cage Code Manufacturer
4730005548018A00AME.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES
MS21921-896906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
AS2192181343SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS1828081343SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS21921-881343SOCIETY OF AUTOMOTIVE ENGINEERS INC
Technical Data | NSN 4730-00-554-8018
Characteristic Specifications
THREAD SERIES UNJ
NOMINAL THREAD SIZE0.750 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.860 INCHES NOMINAL
WIDTH ACROSS FLATS0.875 INCHES NOMINAL
LENGTH TO SHOULDER0.599 INCHES MINIMUM AND 0.619 INCHES MAXIMUM
SMALLEST INSIDE DIAMETER0.552 INCHES MINIMUM AND 0.557 INCHES MAXIMUM
SEAT ANGLE45.00 DEGREES NOMINAL
FABRICATION METHOD
NOMINAL TUBE OUTSIDE DIAMETER0.500 INCHES
SPECIFICATION/STANDARD DATA96906-MS21921 GOVERNMENT STANDARD
END ITEM IDENTIFICATIONAIRCRAFT APPLICATION,USED ON BOEING VERTOL CARGO TRANSPORT HELICOPTER,MODEL CH-47