The Expander,tube, cataloged under National Stock Number 3456-00-764-9256, 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 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3456-00-764-9256 |
| Item Name | Expander,tube |
| FSC / FSG | 3456 / 34 — Cutting and Forming Tools for Secondary Metalworking Machinery |
| Status | ACTIVE |
| Hand Turning Rod | NOT INCLUDED |
| Roller Effective Length | 0.812 INCHES NOMINAL IN |
| Expander Type | ROLLER |
| Tapered Portion Length | 1.000 INCHES NOMINAL IN |
| Design Type | ADJUSTABLE |
| Mandrel Type | ONE PIECE SQUARE HEAD |
| Flexible Tip | NOT INCLUDED |
| Quantity | 1 |
| Roller Quantity | 3 |
| Roller Type | STRAIGHT |
| Head Square Length | 0.750 INCHES NOMINAL IN |
| Tube Minimum Inside Diameter Accommodated | 0.394 INCHES IN |
| Guard Ring | NOT INCLUDED |
| Operation Method | HAND OR POWER |
| Square Head Width Across Flats | 0.375 INCHES NOMINAL IN |
| Rated Expansion Diameter | 0.440 INCHES 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 |
|---|---|
| Y-3196 | 3/9 Design control — primary reference Thomas C. Wilson, Inc. Dba Thomas C Wilson |
NSN 3456-00-764-9256 is a Expander,tube, classified under FSC 3456, Cutting and Forming Tools for Secondary Metalworking Machinery. Status: active.
Key specifications for 3456-00-764-9256: Hand Turning Rod: NOT INCLUDED; Roller Effective Length: 0.812 INCHES NOMINAL IN; Expander Type: ROLLER; Tapered Portion Length: 1.000 INCHES NOMINAL IN. 16 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.