The Wrench,open End Box, cataloged under National Stock Number 5120-00-892-4946, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-00-892-4946 |
| Item Name | Wrench,open End Box |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Status | ACTIVE |
| Large End Head Thickness | 0.453 INCHES MAXIMUM IN |
| Small End Head Thickness | 0.406 INCHES MAXIMUM IN |
| Wrenching Surface Size | 0.438 INCHES NOMINAL SECOND END IN |
| Wrenching Surface Size | 0.375 INCHES NOMINAL FIRST END IN |
| Style Designator | FLARE NUT DOUBLE END |
| Specification/standard Data | 05047-ASME B107.100 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE |
| Wrenching Surface Shape | 6 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 |
| Reference | Meaning |
|---|---|
| B107.100 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| B107.40 TY1 | 5/1 Secondary reference U.S. Government activity |
| RXFS1214A | 5/9 Secondary reference Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc |
| RXH1214S | 5/9 Secondary reference Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc |
| B107.40 | 5/1 Secondary reference The American Society of Mechanical Engineers |
NSN 5120-00-892-4946 is a Wrench,open End Box, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
Key specifications for 5120-00-892-4946: Large End Head Thickness: 0.453 INCHES MAXIMUM IN; Small End Head Thickness: 0.406 INCHES MAXIMUM IN; Wrenching Surface Size: 0.438 INCHES NOMINAL SECOND END IN; Wrenching Surface Size: 0.375 INCHES NOMINAL FIRST END IN. 10 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.