The Wrench,open End Box, cataloged under National Stock Number 5120-01-536-3744, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-536-3744 |
| Primary Part Number | P12612402-2 |
| Item Name | Wrench,open End Box |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Wrenching Surface Size | 3.375 INCHES NOMINAL SINGLE END IN |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| P12612402-2 PRIMARY | Fairbanks Morse, Llc (USA) |
| BW-18A | Williams J H Industrial Products Inc (USA) |
| Reference | Meaning |
|---|---|
| P12612402-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5120-01-536-3744 is a Wrench,open End Box, manufactured by Fairbanks Morse, Llc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-536-3744 has 2 manufacturer part numbers on file: P12612402-2 (Fairbanks Morse, Llc), BW-18A (Williams J H Industrial Products Inc).
Key specifications for P12612402-2: Wrenching Surface Size: 3.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Special Features: SINGLE END FLARE NUT. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.