4730-00-363-9320 (IPD5H7225)
NSN 4730-00-363-9320 (NIIN 00-363-9320) is a packing nut in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, And Railing Fittings — 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). Manufacturer part number IPD5H7225 (Industrial Parts Depot, LLC, CAGE 55883); also referenced as 5H7225 (Caterpillar Inc); 11651025 (U S Army Tank Automotive Command).
Key specs: 35 to 40 rockwell c material hardness; 29000 psi minimum yield strength; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $11.40 gov standard price; export Schedule B 7318.16.0000; ships at 0.115 lb / 0.002 cu ft. Supersedes 5310-00-699-6432 (1965).