The Wrench,box, cataloged under National Stock Number 5120-01-178-5351, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-178-5351 |
| Primary Part Number | CXM1519 |
| Item Name | Wrench,box |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc |
| Status | ACTIVE |
| Large End Head Thickness | 11.2 MILLIMETERS NOMINAL MM |
| Small End Head Thickness | 10.4 MILLIMETERS NOMINAL MM |
| Large End Outside Diameter | 26.9 MILLIMETERS NOMINAL MM |
| Wrenching Surface Size | 19.0 MILLIMETERS NOMINAL SECOND END MM |
| Wrenching Surface Size | 15.0 MILLIMETERS NOMINAL FIRST END MM |
| Style Designator | HALF-MOON DOUBLE HEAD |
| Small End Outside Diameter | 22.4 MILLIMETERS NOMINAL MM |
| Material Document and Classification | ASTM-D1784 TY1GR1 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Wrenching Surface Shape | 12 POINT BOTH ENDS INTERNAL |
| Surface Treatment | CHROMIUM OVERALL |
| 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 |
|---|---|
| CXM1519 PRIMARY | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
NSN 5120-01-178-5351 is a Wrench,box, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-178-5351 has 1 manufacturer part number on file: CXM1519 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-437-1710. Verify interchangeability with system specifications before substitution.
Key specifications for CXM1519: Large End Head Thickness: 11.2 MILLIMETERS NOMINAL MM; Small End Head Thickness: 10.4 MILLIMETERS NOMINAL MM; Large End Outside Diameter: 26.9 MILLIMETERS NOMINAL MM; Wrenching Surface Size: 19.0 MILLIMETERS NOMINAL SECOND END MM. 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.