The Wrench,box, cataloged under National Stock Number 5120-01-373-8976, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-373-8976 |
| Primary Part Number | 88-21146 |
| Item Name | Wrench,box |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| Wrenching Surface Size | 1.395 INCHES NOMINAL SINGLE END IN |
| Wrenching End Offset Angle | 45.0 DEGREES NOMINAL |
| Wrenching Surface Shape | 12 POINT SINGLE END INTERNAL |
| Head Thickness | 1.090 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5120-01-373-8976 is a Wrench,box, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-373-8976 has 2 manufacturer part numbers on file: 0420-0619 (Cummins Power Generation Inc.), 88-21146 (Department of Defense Project Manager-Mobile Electric Power).
Key specifications for 88-21146: Wrenching Surface Size: 1.395 INCHES NOMINAL SINGLE END IN; Overall Length: 10.440 INCHES NOMINAL IN; Wrenching End Offset Angle: 45.0 DEGREES NOMINAL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL. 4 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.