The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-348-9474, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Snap-on Tools (australia) Pty Ltd. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5120-01-348-9474 |
| Primary Part Number | OEXM340B |
| Item Name | Wrench,box and Open End,combinat |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Snap-on Tools (australia) Pty Ltd |
| Status | ACTIVE |
| Wrenching Surface Size | 34.0 MILLIMETERS NOMINAL BOTH ENDS MM |
| Style Designator | OFFSET |
| Specification/standard Data | 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 TYPE AND 4 CLASS AND C STYLE |
| 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 |
|---|---|
| OEXM340B | Snap-on Tools (australia) Pty Ltd (AUS) |
| KTI41834 | K-Tool Corporation of Michigan Dba Preferred Tool & Equipment (USA) |
| XOEM-34 | Williams J H Industrial Products Inc (USA) |
| Reference | Meaning |
|---|---|
| AS955 | 5/9 Secondary reference Sae International Dba Sae International |
| OEXM340B | 5/9 Secondary reference Snap-on Tools Australia Pty Ltdnational Defence Div |
| AS954 TY2CL4STC | 5/1 Secondary reference U.S. Government activity |
| AS955 TY3CL1STC | 5/9 Secondary reference U.S. Government activity |
| B107.100 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| B107.6 TY1 | 5/9 Secondary reference U.S. Government activity |
| B107.6 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| OEXM340 | 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 |
| AS955 | 5/9 Secondary reference U.S. Government activity |
NSN 5120-01-348-9474 is a Wrench,box and Open End,combinat, manufactured by Snap-on Tools (australia) Pty Ltd, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-348-9474 has 3 manufacturer part numbers on file: OEXM340B (Snap-on Tools (australia) Pty Ltd), KTI41834 (K-Tool Corporation of Michigan Dba Preferred Tool & Equipment), XOEM-34 (Williams J H Industrial Products Inc).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-661-6740. Verify interchangeability with system specifications before substitution.
Key specifications for OEXM340B: Wrenching Surface Size: 34.0 MILLIMETERS NOMINAL BOTH ENDS MM; Style Designator: OFFSET; Overall Length: 425.0 MILLIMETERS MINIMUM AND 476.0 MILLIMETERS MAXIMUM MM; Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 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.