The Reamer,shell,fluted, cataloged under National Stock Number 3455-01-480-7454, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-480-7454 |
| Primary Part Number | 845-6690372 ITEM 25 |
| Item Name | Reamer,shell,fluted |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flute Design | STRAIGHT |
| Overall Diameter | 2.085 INCHES MINIMUM AND 2.095 INCHES MAXIMUM IN |
| Arbor Hole Shape | TAPERED |
| Diameter | 1.805 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN |
| Keyway | INCLUDED |
| Arbor Hole Diameter | 0.780 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 845-6690372 ITEM 25 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 845-6690372 | D/9 Drawing number reference only Naval Sea Systems Command |
| 2640-682-10 ITEM 25 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3455-01-480-7454 is a Reamer,shell,fluted, manufactured by Naval Sea Systems Command, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-480-7454 has 1 manufacturer part number on file: 845-6690372 ITEM 25 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-481-0379. Verify interchangeability with system specifications before substitution.
Key specifications for 845-6690372 ITEM 25: Flute Design: STRAIGHT; Overall Diameter: 2.085 INCHES MINIMUM AND 2.095 INCHES MAXIMUM IN; Arbor Hole Shape: TAPERED; Diameter: 1.805 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN. 6 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.