NSN 4730-00-854-2803

Part Details | TUBE COUPLING NUT

4730-00-854-2803 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: 7272613, 727261-3, 4730-00-854-2803, 00-854-2803, 4730008542803, 008542803

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196200-854-280303859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-854-2803
Part Number Cage Code Manufacturer
727261-398897LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS
Technical Data | NSN 4730-00-854-2803
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.438 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.609 INCHES NOMINAL
WIDTH ACROSS FLATS0.563 INCHES NOMINAL
LENGTH TO SHOULDER0.532 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.305 INCHES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER0.250 INCHES