NSN 4730-00-277-6451

Part Details | TUBE COUPLING NUT

4730-00-277-6451 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: AN8183, AN818-3, AN818, AN8183, AN818-3, AN8183, AN818-3, AN8183, AN818-3, MILF5509A, AS4841, 8176326, 4730-00-277-6451, 00-277-6451, 4730002776451, 002776451

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-277-645103859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-277-6451
Part Number Cage Code Manufacturer
AN818-388044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN81888044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN818-371563COLLINS ENGINEERING CORP
AN818-322995CROWN FITTING CO INC
AN818-313899HYDRO FITTING MANUFACTURINGCORPORATION
MILF5509A81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
AS484181343SOCIETY OF AUTOMOTIVE ENGINEERS INC
817632618876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 4730-00-277-6451
Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.594 INCHES NOMINAL
WIDTH ACROSS FLATS0.438 INCHES NOMINAL
LENGTH TO SHOULDER0.500 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.242 INCHES NOMINAL
FABRICATION METHOD
NOMINAL TUBE OUTSIDE DIAMETER0.188 INCHES
END ITEM IDENTIFICATIONGRUMMAN A10 AIRCRAFT BELL OBSERVATION HELICOPTER OH-5BA