NSN 4730-00-287-0291

Part Details | TUBE COUPLING NUT

4730-00-287-0291 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: A8182D, A818-2D, AN8182D, AN818-2D, AN8182D, AN818-2D, 144682, 2902D, 290-2D, AN8182D, AN818-2D, AN8182D, AN818-2D, 61516514050, 61-51651-4050, 731857102, 731857-102, 7203352, 720335-2, 13078, 2902D, 290-2D, AN8182D, AN818-2D, 4730-00-287-0291, 00-287-0291, 4730002870291, 002870291

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196100-287-029103859 ( NUT, TUBE COUPLING )
REFERENCE DRAWINGS & PICTURES

TUBE COUPLING

Cross Reference | NSN 4730-00-287-0291
Part Number Cage Code Manufacturer
A818-2D88044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN818-2D88044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
AN818-2D14798DESIGNED METAL CONNECTIONS, INC.DBA PERMASWAGE USA
14468262983EATON AEROSPACE LLC
290-2D00624EATON-AEROQUIP LLC.DBA AEROSPACE GROUP
AN818-2D32142HYDRASEARCH CO., INC.
AN818-2D13899HYDRO FITTING MANUFACTURINGCORPORATION
61-51651-405089944KOLLSMAN, INC.
731857-10256232LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
720335-256232LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
1307895201NAPCO INTERNATIONAL LLC
290-2DR1120SATAIR A/S
AN818-2DF0222SKF AEROSPACE FRANCE
Technical Data | NSN 4730-00-287-0291
Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3B
THREAD DIRECTION RIGHT-HAND
NUT STYLE TUBE COUPLING
NUT HEIGHT0.537 INCHES MINIMUM AND 0.547 INCHES MAXIMUM
WIDTH ACROSS FLATS0.371 INCHES MINIMUM AND 0.378 INCHES MAXIMUM
LENGTH TO SHOULDER0.460 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.180 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
FABRICATION METHOD
NOMINAL TUBE OUTSIDE DIAMETER0.125 INCHES
NONDEFINITIVE SPEC/STD DATA818-2D PART