NSN 4730-00-278-5453

Part Details | TUBE COUPLING NUT

4730-00-278-5453 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: AN8052, AN805-2, 12890, AN8052, AN805-2, MILF6001, MIL-F-6001, 0589, AN8052, AN805-2, STD176, AN8052, AN805-2, 5165169, 4730-00-278-5453, 00-278-5453, 4730002785453, 002785453

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-278-545303859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-278-5453
Part Number Cage Code Manufacturer
AN805-288044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
1289070188FRANKLIN ENGINE CO INC
AN805-270188FRANKLIN ENGINE CO INC
MIL-F-600196906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
058948431POWER INDUSTRIES INC
AN805-248431POWER INDUSTRIES INC
STD17680254TEXTRON LYCOMING INCWILLIAMSPORT PLANT
AN805-280254TEXTRON LYCOMING INCWILLIAMSPORT PLANT
516516919207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 4730-00-278-5453
Characteristic Specifications
THREAD SERIES UNEF
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM
WIDTH ACROSS FLATS0.371 INCHES MINIMUM AND 0.378 INCHES MAXIMUM
LENGTH TO SHOULDER0.281 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.173 INCHES MINIMUM AND 0.177 INCHES MAXIMUM
FABRICATION METHOD
NOMINAL TUBE OUTSIDE DIAMETER0.125 INCHES