The Wrench,box, cataloged under National Stock Number 5120-01-378-5178, 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 9 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-378-5178 |
| Primary Part Number | XS1618A |
| 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 |
| Wrenching Surface Size | 0.500 INCHES NOMINAL FIRST END IN |
| Wrenching Surface Size | 0.562 INCHES NOMINAL SECOND END IN |
| Style Designator | SHALLOW ANGULAR OFFSET DOUBLE HEAD |
| Specification/standard Data | 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 TYPE AND 2 CLASS AND A STYLE |
| Wrenching End Offset Angle | 10.0 DEGREES NOMINAL |
| 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 |
|---|---|
| XS1618A | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| XS1618A | Cebeo (BEL) |
| Reference | Meaning |
|---|---|
| XS1618A | 5/9 Secondary reference Vanas |
| XS1618 | 5/9 Secondary reference Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc |
| AS954 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS954 | 5/9 Secondary reference U.S. Government activity |
| AS954 TY2CL2STA | 5/1 Secondary reference U.S. Government activity |
| AS954 TY2CL2STB | 5/9 Secondary reference U.S. Government activity |
NSN 5120-01-378-5178 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 5120-01-378-5178 has 2 manufacturer part numbers on file: XS1618A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), XS1618A (Cebeo).
Key specifications for XS1618A: Wrenching Surface Size: 0.500 INCHES NOMINAL FIRST END IN; Wrenching Surface Size: 0.562 INCHES NOMINAL SECOND END IN; Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD; Overall Length: 5.250 INCHES MINIMUM AND 5.910 INCHES MAXIMUM IN. 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.