NSN 4730-00-177-0379

Part Details | PACKING NUT

4730-00-177-0379 An item having internal and/or external machine thread(s) (threads other than pipe or hose series), specifically designed to retain, by means or groove(s), shoulder(s), and the like, packing and/or a packing gland within a stuffing box. See also BUSHING, MACHINE THREAD; INVERTED NUT, TUBE COUPLING; and NUT, TUBE COUPLING. Excludes PACKING NUT, STUFFING TUBE; and use with electrical cable, and LOCKNUT, PIPE.

Alternate Parts: 3018174, 4730-00-177-0379, 00-177-0379, 4730001770379, 001770379

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47MAY 05, 197200-177-037918028 ( PACKING NUT )
REFERENCE DRAWINGS & PICTURES

HEXAGON, EXTERNAL THREAD, INVERTED FLARE

Cross Reference | NSN 4730-00-177-0379
Part Number Cage Code Manufacturer
301817400198PRATT & WHITNEY CANADA CIE DIVPRATT& WHITNEY CANADA CORP.
Technical Data | NSN 4730-00-177-0379
Characteristic Specifications
MATERIAL STEEL COMP 8740
MATERIAL HARDNESS RATINGRCB32.0 ROCKWELL C MAXIMUM AND 38.0 ROCKWELL C MAXIMUM
CASEHARDENING INDICATOR CASEHARDENED
STYLE DESIGNATOR3 HEXAGON, EXTERNAL THREAD, INVERTED FLARE
THREAD SIZE1.3/16-18
SCREW THREAD SERIES DESIGNATOR UNEF
THREAD LENGTH0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
SCREW THREAD LOCATION INTERNAL
THREAD DIRECTION RIGHT-HAND
SURFACE TREATMENT CADMIUM
SLOT WIDTH0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM
OVERALL LENGTH0.530 INCHES MINIMUM AND 0.540 INCHES MAXIMUM
LARGEST INSIDE DIAMETER1.173 INCHES MINIMUM AND 1.193 INCHES MAXIMUM
SMALLEST OUTSIDE DIAMETER1.360 INCHES MINIMUM AND 1.370 INCHES MAXIMUM
MAJOR UNTHREADED OUTSIDE DIAMETER1.540 INCHES MINIMUM AND 1.560 INCHES MAXIMUM
HOLE OR SLOT QUANTITY8
THREAD CLASS3B
THREAD PITCH DIAMETERS+1.1399 TO +1.1445 INCHES