The Trepanning Tool,machine, cataloged under National Stock Number 3455-01-390-7028, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Mckay Acquisition Inc Dba Jancy Engineering. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 3455-01-390-7028 |
| Primary Part Number | 2000S |
| Item Name | Trepanning Tool,machine |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Mckay Acquisition Inc Dba Jancy Engineering |
| Status | ACTIVE |
| 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 |
|---|---|
| 2000S PRIMARY | Mckay Acquisition Inc Dba Jancy Engineering (USA) |
NSN 3455-01-390-7028 is a Trepanning Tool,machine, manufactured by Mckay Acquisition Inc Dba Jancy Engineering, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-390-7028 has 1 manufacturer part number on file: 2000S (Mckay Acquisition Inc Dba Jancy Engineering).
1 possible match (shared part number, not a government interchangeability claim): 9905-01-641-5902. Verify interchangeability with system specifications before substitution.
Key specifications for 2000S: Special Features: 1.250 IN. DIAMETER SHANK; SHANK LENGTH 2.0 IN.; HOLLOW MILL, TEETH EQUALLY SPACED; 13 TEETH PER UNIT OF MEASURE; 3.0 IN. CUT DEPTH; MATERIAL IS HIGH SPEED STEEL IN. 0 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.