The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-377-0237, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Wright Tool 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-377-0237 |
| Primary Part Number | 1238 |
| Item Name | Wrench,box and Open End,combinat |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Wright Tool Co |
| Status | ACTIVE |
| Wrenching Surface Size | 1.188 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | OFFSET |
| Features Provided | FULL POLISH |
| Specification/standard Data | 05047-ASME B107.100/B107.6 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE |
| Wrenching End Offset Angle | 15.0 DEGREES NOMINAL |
| Wrenching Surface Shape | 12 POINT SECOND END INTERNAL |
| Wrenching Surface Shape | OVAL FIRST END INTERNAL |
| 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 |
|---|---|
| 1238 | Wright Tool Co (USA) |
| Reference | Meaning |
|---|---|
| B107.6 TY1 | 5/1 Secondary reference U.S. Government activity |
| B107.6 | 5/1 Secondary reference The American Society of Mechanical Engineers |
| B107.100 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 5120-01-377-0237 is a Wrench,box and Open End,combinat, manufactured by Wright Tool Co, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-377-0237 has 1 manufacturer part number on file: 1238 (Wright Tool Co).
Key specifications for 1238: Wrenching Surface Size: 1.188 INCHES NOMINAL BOTH ENDS IN; Style Designator: OFFSET; Overall Length: 16.000 INCHES NOMINAL IN; Features Provided: FULL POLISH. 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.