5320-01-059-7123 (BP-T12-03)
NSN 5320-01-059-7123 (NIIN 01-059-7123) is a blind rivet in Federal Supply Class 5320, Rivets — an item consisting of two or more of the following components: stem, rivet body, sleeve, expander, bolt, and collar. Manufacturer part number BP-T12-03 (Huck International, Inc., CAGE 0HDW7); also referenced as MS90354-1203 (Military Standards).
Key specs: 32 to 40 rockwell c overall hardness; 48 to 53 rockwell c stem hardness; full characteristics table below. NIIN assigned April 1978; DEMIL A (none required); unit of issue EA (each), $120.47 gov standard price; export Schedule B 7318.23.0000; ships at 0.06 lb / 0.0017 cu ft.