The Roll Set,roller Tube Expander, cataloged under National Stock Number 3456-00-640-3568, 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9 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3456-00-640-3568 |
| 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 | 0.031 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| First End Diameter | 0.390 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Second End Diameter | 0.420 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Second End Taper Length | 0.375 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 CLASS AND 1 TYPE |
| Main Body Overall Length | 1.890 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 |
|---|---|
| 1385500 PIECE LR-72 | 5/2 Secondary reference U.S. Government activity |
| 777-57-0-8LN289 | 5/9 Secondary reference Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| E164-863-116SPARE ROLL | 5/9 Secondary reference Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| 497-56-1-9LN251 | 5/9 Secondary reference Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| MIL-E-17624 | 4/1 Identification reference U.S. Government activity |
| 1385500 PIECE C-72 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3456-00-640-3568 is a Roll Set,roller Tube Expander, classified under FSC 3456, Cutting and Forming Tools for Secondary Metalworking Machinery. Status: active.
Key specifications for 3456-00-640-3568: First End Taper Length: 0.031 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; First End Diameter: 0.390 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Second End Diameter: 0.420 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Overall Length: 2.296 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.