| NOV original code | NOV new code | Description | Drilling rig | Qty | U.M. |
| B 1254-93 | B125493 | Pulley B1254-93 SHEAVE 1″* 24″ or equivalent for crownblock (for IRI workover rig, 1996-2002, manufactured by NOV) | IRI, 1996-2002 | 5 | pcs |
| 111 765 05 (30″) | 6094D113C | Pulley 111 756 05 (30″) or equivalent for crownblock (for IRI workover rig, 1996-2002, manufactured by NOV) | IRI, 1996-2002 | 6 | pcs |
| 3-B-1254-69 (24″) | B125469 / 10270333-001 | Pulley 3-B-1254-69 24″ DIA.SHEAVE-1″ WL(STD.) or equivalent for the UTB-110-4-24 Traveling block (for IRI workover rig, 1996-2002, manufactured by NOV ) | IRI, 1996-2002 | 4 | pcs |
| 4-B1254-73 (1″) | 10270338-001 | Pulley Sheave 4-B1254-73 1″groove* 30″ dia sheave or equivalent for Traveling block UTB-160-4-30 mod. F (for IRI | IRI, 1996-2002 | 12 | pcs |
| workover rig, 1996-2002, manufactured by NOV) |
| BMT 1254-14 (30″) | B125474 /11474664-001 (REPLACES 125414) | Pulley BMT.1254-14 30″ FABRIFORM SHEAVE-1-1/8″ or equivalent for Traveling block UTB-160-4-30 mod. F (for IRI | IRI, 1996-2002 | 4 | pcs |
| workover rig, 1996-2002, manufactured by NOV) |
| 3-В1254-94 1 1/8″х36″ | B125494 | Pulley 3-B1254-94 1 1/8″x36″ or equivalent for crownblock (for IRI- 160D workover rig, 1998, manufacturer NOV) | IRI-160D | 2 | pcs |
| 3-В1254-89 1 1/8″х30″ | B125489 | Pulley 3-B1254-89 1 1/8″x30″ or equivalent for crownblock (for IRI- 160D workover rig, 1998, manufacturer NOV) | IRI-160D | 4 | pcs |
| 36″ ВМТ-1254-37 | B125437 | Pulley 36″ BMT-1254-37 or equivalent for Traveling block UTB-265-5-36-11 (for IRI-160D workover rig, 1998, manufacturer NOV) | IRI-160D | 5 | pcs |
