IBM | Bolt | Type 3 | AOB, EM-B, Bx, SB | 3900000 - 4000999 | Round bolt. Bx, x = numeric digit(s). |
IBM | Extractor Spring & Plunger | Type 3 | Unmarked | 3651520 - 4000999 | |
IBM | Firing Pin | Type 1 | BEB, BR-B, BTB, OBB, OB-B, SVB, WB, Underlined WB | 3651520 - 3799999 | |
IBM | Firing Pin | Type 3 | BEB, BTB, OBB, OB-B, SVB, Underlined WB | 3800000 - 4000999 | |
Inland | Extractor Spring & Plunger | Type 1 | Unmarked | 1 - 159999 | |
Inland | Extractor Spring & Plunger | Type 2 | Unmarked | 160000 - 259999 | |
Inland | Extractor Spring & Plunger | Type 3 | Unmarked | 260000 - 8069660 | |
Inland | Firing Pin | Type 1 | Circled EI, BI, I-I, NI, RI, WI | 1 - 3099999 | |
IP | Extractor Spring & Plunger | Type 3 | Unmarked | 1762520 - 3250019 | |
NPM | Bolt | Type 2 | UN, N, Nx | 1450000 - 4399999 | Flat bolt. Nx, x = numeric digit(s). |
NPM | Extractor Spring & Plunger | Type 3 | Unmarked | 1450000 - 4432099 | |
QHMC | Extractor Spring & Plunger | Type 3 | Unmarked | 1550000 - 4879525 | |