The Mandrel,roller Tube Expander, cataloged under National Stock Number 3456-01-688-1903, is classified within Federal Supply Class 3456 (Cutting and Forming Tools for Secondary Metalworking Machinery) of the Metalworking Machinery (continued) group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3456-01-688-1903 |
| Item Name | Mandrel,roller Tube Expander |
| FSC / FSG | 3456 / 34 — Cutting and Forming Tools for Secondary Metalworking Machinery |
| Status | ACTIVE |
| Size Designator | 0.750 INCHES NOMINAL IN |
| 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 |
|---|---|
| 2514200 3/4 IN | 5/9 Secondary reference Apex Tool Group, Llc |
| M-9 3/4 IN. | 3/9 Design control — primary reference Apex Tool Group, Llc |
NSN 3456-01-688-1903 is a Mandrel,roller Tube Expander, classified under FSC 3456, Cutting and Forming Tools for Secondary Metalworking Machinery. Status: active.
Key specifications for 3456-01-688-1903: Special Features: MAX EXPAN OF TOOL 0.699 TO 0.722 INCHES, MIN I.D. TOOL ENTER 0.619 TO 0.642. IN; Size Designator: 0.750 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: CONDENSER EXPANDER. 1 specification is 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.