The Reamer,machine, cataloged under National Stock Number 3455-01-143-7908, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3455-01-143-7908 |
| Item Name | Reamer,machine |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Status | ACTIVE |
| Shank Diameter | 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Pilot Type | FIXED |
| Flute Design | HELICAL |
| Helix Direction | RIGHT-HAND |
| Flute Cut Direction | RIGHT-HAND |
| Shank Type | STRAIGHT |
| Guide | NOT INCLUDED |
| Flute Length | 2.000 INCHES NOMINAL IN |
| Diameter | 0.250 INCHES NOMINAL IN |
| Pilot Diameter | 0.232 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN |
| Pilot Length | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Flute Type | INTEGRAL |
| Flute Quantity | 6 |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL CUTTING EDGE TIP |
| Reamer Type | FLUTED CHUCKING |
| 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 |
|---|---|
| 375B806-250C0 | 5/1 Secondary reference U.S. Government activity |
| 375B806-250C0-.2500-.2334 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3455-01-143-7908 is a Reamer,machine, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
Key specifications for 3455-01-143-7908: Shank Diameter: 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN; Pilot Type: FIXED; Flute Design: HELICAL; Helix Direction: RIGHT-HAND. 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.