The Cutter Bit,tool Holder, cataloged under National Stock Number 3455-01-655-2129, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Omega Tool Measuring Machines, Inc. Dba Parlec Inc. Government technical data includes 2 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 | 3455-01-655-2129 |
| Primary Part Number | C40-50EM1 |
| Item Name | Cutter Bit,tool Holder |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Omega Tool Measuring Machines, Inc. Dba Parlec Inc |
| Status | ACTIVE |
| Overall Diameter | 2.500 INCHES NOMINAL IN |
| Shape | ROUND |
| 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 |
|---|---|
| C40-50EM1 PRIMARY | Omega Tool Measuring Machines, Inc. Dba Parlec Inc (USA) |
NSN 3455-01-655-2129 is a Cutter Bit,tool Holder, manufactured by Omega Tool Measuring Machines, Inc. Dba Parlec Inc, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-655-2129 has 1 manufacturer part number on file: C40-50EM1 (Omega Tool Measuring Machines, Inc. Dba Parlec Inc).
Key specifications for C40-50EM1: Overall Diameter: 2.500 INCHES NOMINAL IN; Shape: ROUND; Special Features: SET SCREW 1/2"; Part Name Assigned by Controlling Agency: EM HOLDER, CAT 40. 2 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.