The Reamer,machine, cataloged under National Stock Number 3455-01-071-3620, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is United Drill Bushing Corporation Dba United Drill Bushing Corp. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-071-3620 |
| Primary Part Number | UDB-9C903000 |
| Item Name | Reamer,machine |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | United Drill Bushing Corporation Dba United Drill Bushing Corp |
| Status | ACTIVE |
| Shank Diameter | 0.261 INCHES NOMINAL IN |
| Pilot Type | FIXED |
| Flute Design | STRAIGHT |
| Flute Cut Direction | RIGHT-HAND |
| Shank Type | STRAIGHT |
| Guide | NOT INCLUDED |
| Flute Length | 0.940 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Diameter | 0.261 INCHES NOMINAL IN |
| Pilot Diameter | 0.239 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN |
| Pilot Length | 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Flute Type | INTEGRAL |
| Material | CARBIDE CUTTING EDGE TIP |
| Material | CARBIDE LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
| Part Number | Manufacturer |
|---|---|
| UDB-9C903000 PRIMARY | United Drill Bushing Corporation Dba United Drill Bushing Corp (USA) |
| GT-9C903000 | Greer Aero Llc (USA) |
NSN 3455-01-071-3620 is a Reamer,machine, manufactured by United Drill Bushing Corporation Dba United Drill Bushing Corp, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-071-3620 has 2 manufacturer part numbers on file: UDB-9C903000 (United Drill Bushing Corporation Dba United Drill Bushing Corp), GT-9C903000 (Greer Aero Llc).
Key specifications for UDB-9C903000: Shank Diameter: 0.261 INCHES NOMINAL IN; Pilot Type: FIXED; Flute Design: STRAIGHT; Flute Cut Direction: RIGHT-HAND. 14 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.