NSN 4730-00-453-9921

Part Details | PACKING NUT

4730-00-453-9921 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: 21013, 2-1013, 4730-00-453-9921, 00-453-9921, 4730004539921, 004539921

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
47APR 11, 196900-453-992118028 ( PACKING NUT )
REFERENCE DRAWINGS & PICTURES

ROUND, EXTERNAL THREAD, INVERTED FLARE

Cross Reference | NSN 4730-00-453-9921
Part Number Cage Code Manufacturer
2-101353887C & H MACHINE, INC.DBA SUPPORT EQUIPMENT
Technical Data | NSN 4730-00-453-9921
Characteristic Specifications
MATERIAL ALUMINUM ALLOY 6061
CASEHARDENING INDICATOR NOT CASEHARDENED
STYLE DESIGNATOR ROUND, EXTERNAL THREAD, INVERTED FLARE
THREAD SIZE2-1/4IN-12
SCREW THREAD SERIES DESIGNATOR UN
THREAD LENGTH0.375 INCHES NOMINAL
SCREW THREAD LOCATION EXTERNAL
THREAD DIRECTION RIGHT-HAND
HOLE DIAMETER0.257 INCHES NOMINAL
OVERALL LENGTH1.000 INCHES NOMINAL
SMALLEST INSIDE DIAMETER0.755 INCHES NOMINAL
MAJOR UNTHREADED OUTSIDE DIAMETER2.000 INCHES NOMINAL
HOLE OR SLOT QUANTITY4
SEAT ANGLE IN DEG90.0
THREAD CLASS2A