The Wrench,open End, cataloged under National Stock Number 5120-00-293-2122, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-293-2122 |
| Primary Part Number | TKKX8B |
| Item Name | Wrench,open End |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Large End Head Angle | 15.0 DEGREES NOMINAL |
| Large End Head Thickness | 0.906 INCHES MINIMUM IN |
| Small End Head Thickness | 0.906 INCHES MINIMUM IN |
| Small End Head Angle | 15.0 DEGREES NOMINAL |
| Wrenching Surface Size | 2.000 INCHES NOMINAL SECOND END IN |
| Wrenching Surface Size | 1.625 INCHES NOMINAL FIRST END IN |
| Style Designator | DOUBLE HEAD |
| Wrenching Surface Shape | OVAL BOTH ENDS INTERNAL |
| Material | STEEL COMP 1020 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 |
|---|---|
| TKKX8B PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| TKKX8B | 5/9 Secondary reference Army Weapons Command Attn Amswe-Ree-S |
| BW44 | 5/9 Secondary reference Trw Inc Hand Tools Div Trw Industrial Products Group |
NSN 5120-00-293-2122 is a Wrench,open End, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-00-293-2122 has 1 manufacturer part number on file: TKKX8B (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for TKKX8B: Large End Head Angle: 15.0 DEGREES NOMINAL; Large End Head Thickness: 0.906 INCHES MINIMUM IN; Small End Head Thickness: 0.906 INCHES MINIMUM IN; Small End Head Angle: 15.0 DEGREES NOMINAL. 9 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.