The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-682-7341, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-682-7341 |
| Primary Part Number | 56945A27 |
| Item Name | Wrench,box and Open End,combinat |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Drive Surface Size | 0.6875 INCHES NOMINAL BOTH ENDS IN |
| Large End Head Thickness | 0.3125 INCHES NOMINAL IN |
| Small End Head Thickness | 0.4375 INCHES NOMINAL IN |
| Wrenching Surface Size | 0.6875 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | OFFSET |
| Wrenching End Offset Angle | 15.0 DEGREES NOMINAL |
| Wrenching Surface Shape | 6 POINT FIRST END INTERNAL |
| Drive End Shape | SQUARE SECOND END EXTERNAL |
| Surface Treatment | CHROMIUM OVERALL |
| Head Angle | 15.0 DEGREES NOMINAL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 56945A27 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5120-01-682-7341 is a Wrench,box and Open End,combinat, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-682-7341 has 1 manufacturer part number on file: 56945A27 (Mcmaster-Carr Supply Co).
Key specifications for 56945A27: Drive Surface Size: 0.6875 INCHES NOMINAL BOTH ENDS IN; Large End Head Thickness: 0.3125 INCHES NOMINAL IN; Small End Head Thickness: 0.4375 INCHES NOMINAL IN; Wrenching Surface Size: 0.6875 INCHES NOMINAL BOTH ENDS IN. 11 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.