The Roll Set,roller Tube Expander, cataloged under National Stock Number 3456-00-640-3591, 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 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3456-00-640-3591 |
| Item Name | Roll Set,roller Tube Expander |
| FSC / FSG | 3456 / 34 — Cutting and Forming Tools for Secondary Metalworking Machinery |
| Status | ACTIVE |
| First End Taper Length | 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| First End Diameter | 0.279 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Second End Diameter | 0.262 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Second End Taper Length | 0.062 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Departure From Cited Document | AS MODIFIED BY PAR. 3.3.3 ROLLS |
| Roller Quantity | 3 LOCATION NOT OTHERWISE SPECIFIED |
| Nondefinitive Spec/std Data | 2 TYPE |
| Main Body Overall Length | 1.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Roller Style | OVERLAPPING LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 5000S5101F1385500PCLR76 | 5/1 Secondary reference U.S. Government activity |
| MIL-E-17624 | 4/1 Identification reference U.S. Government activity |
| F1385500PCLR76 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3456-00-640-3591 is a Roll Set,roller Tube Expander, classified under FSC 3456, Cutting and Forming Tools for Secondary Metalworking Machinery. Status: active.
Key specifications for 3456-00-640-3591: First End Taper Length: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; First End Diameter: 0.279 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Second End Diameter: 0.262 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Overall Length: 1.437 INCHES NOMINAL 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.