The Reamer,machine, cataloged under National Stock Number 3455-01-005-4871, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-005-4871 |
| Primary Part Number | T.F.I.M.25.116-3278 |
| Item Name | Reamer,machine |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.2782 INCHES MINIMUM AND 0.2792 INCHES MAXIMUM IN |
| Pilot Type | FIXED |
| Flute Design | HELICAL |
| Helix Direction | LEFT-HAND |
| Flute Cut Direction | RIGHT-HAND |
| Shank Type | STRAIGHT |
| Guide | NOT INCLUDED |
| Flute Length | 1.200 INCHES NOMINAL IN |
| Diameter | 0.3278 INCHES MINIMUM AND 0.3282 INCHES MAXIMUM IN |
| Pilot Diameter | 0.312 INCHES NOMINAL IN |
| Pilot Length | 0.300 INCHES NOMINAL IN |
| Flute Type | INTEGRAL |
| Flute Quantity | 4 |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL CUTTING EDGE TIP |
| Reamer Type | LEFT HAND HELIX |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| T.F.I.M.25.116-3278 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 3455-01-005-4871 is a Reamer,machine, manufactured by The Boeing Company Div Defense, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-005-4871 has 1 manufacturer part number on file: T.F.I.M.25.116-3278 (The Boeing Company Div Defense).
Key specifications for T.F.I.M.25.116-3278: Shank Diameter: 0.2782 INCHES MINIMUM AND 0.2792 INCHES MAXIMUM IN; Pilot Type: FIXED; Flute Design: HELICAL; Helix Direction: LEFT-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.