The Mandrel,roller Tube Expander, cataloged under National Stock Number 3456-00-640-3262, 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 7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3456-00-640-3262 |
| Item Name | Mandrel,roller Tube Expander |
| FSC / FSG | 3456 / 34 — Cutting and Forming Tools for Secondary Metalworking Machinery |
| Status | ACTIVE |
| Hand Turning Rod | NOT INCLUDED |
| Square Shank Length | 0.750 INCHES NOMINAL IN |
| Drive Type | SQUARE |
| Taper Major Diameter | 0.343 INCHES NOMINAL IN |
| Departure From Cited Document | MIL-E-17624,PARAGRAPH 3.3.4,MANDRELS,DESIGNATION M4-3/8 0.234 |
| Size Designator | 0.500 INCHES NOMINAL IN |
| Operation Method | MANUAL OR POWER |
| 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 |
|---|---|
| MIL-E-17624 | 4/1 Identification reference U.S. Government activity |
| PC5913-2PC2M15 | 3/9 Design control — primary reference The Babcock & Wilcox Company Dba B & W Service Co Div B&w Service Company |
| F1385500DESIGNATIONM4-3/8 0.234 | 5/2 Secondary reference U.S. Government activity |
| PC5913-2PC2M15 | C/1 Advisory reference — outside the item-of-supply concept Babcock & Wilcox Co |
NSN 3456-00-640-3262 is a Mandrel,roller Tube Expander, classified under FSC 3456, Cutting and Forming Tools for Secondary Metalworking Machinery. Status: active.
Key specifications for 3456-00-640-3262: Hand Turning Rod: NOT INCLUDED; Square Shank Length: 0.750 INCHES NOMINAL IN; Drive Type: SQUARE; Overall Length: 4.375 INCHES NOMINAL IN. 7 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.