NSN 4730-00-554-9879

Part Details | UNION THREAD PIECE

4730-00-554-9879 A fitting used with a union nut and a tailpiece to form a union.

Alternate Parts: EPA21000257, EPA21000-257, A3162151, A316215-1, 4730-00-554-9879, 00-554-9879, 4730005549879, 005549879

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47JAN 01, 196300-554-987904141 ( THREAD PIECE, UNION )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4730-00-554-9879
Part Number Cage Code Manufacturer
EPA21000-257F3014DCNS SERVICES BREST
A316215-180020NAVAL AIR WARFARE CENTER AIRCRAFTDIVISION CODE 4.8.8.0.0.B BLDG 148-2
Technical Data | NSN 4730-00-554-9879
Characteristic Specifications
MATERIAL STEEL COMP 4130
MATERIAL HARDNESS RATING92.0 ROCKWELL B MINIMUM AND RBC98.0 ROCKWELL B MINIMUM
SEAT TYPE STRAIGHT FACE
END CONNECTION TYPE THREADED
THREAD SIZE1/4-18
SCREW THREAD SERIES DESIGNATOR NPSM
THREAD DIRECTION RIGHT-HAND
SCREW THREAD LOCATION EXTERNAL
UNION END THREAD SIZE1-3/16IN-12
UNION END SCREW THREAD SERIES DESIGNATOR UN
UNION END THREAD DIRECTION RIGHT-HAND
BULKHEAD FEATURE NOT PROVIDED
OVERALL LENGTH1.563 INCHES NOMINAL
WORKING PRESSURE AND SERVICE TYPEFBAAAAG4000.0 POUNDS PER SQUARE INCH MINIMUM