The Cutter Bit,tool Holder, cataloged under National Stock Number 3455-01-101-4037, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Fansteel Inc Vr/wesson Plantsville Div. Government technical data includes 7 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3455-01-101-4037 |
| Primary Part Number | AR-7/VR-75 |
| Item Name | Cutter Bit,tool Holder |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Fansteel Inc Vr/wesson Plantsville Div |
| Status | ACTIVE |
| Overall Thickness | 0.438 INCHES NOMINAL IN |
| Shape | RECTANGULAR |
| Material Location | OVERALL |
| Nondefinitive Spec/std Data | AR STYLE AND 7 SIZE AND 6 CLASS |
| Unable to Decode | UNABLE TO DECODE |
| Material | CARBIDE |
| Cutting Edge Finish | UNGROUND |
| 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 |
|---|---|
| AR-7/VR-75 PRIMARY | Fansteel Inc Vr/wesson Plantsville Div (USA) |
| Reference | Meaning |
|---|---|
| AR-7 | 5/9 Secondary reference U.S. Government activity |
| ANSI B212.1 | 3/1 Design control — primary reference U.S. Government activity |
| AR-7/VR-75 | 5/9 Secondary reference U.S. Government activity |
| A-A-51143 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| AR-7 | 5/1 Secondary reference Fansteel Inc Vr/wesson Plantsville Div |
NSN 3455-01-101-4037 is a Cutter Bit,tool Holder, manufactured by Fansteel Inc Vr/wesson Plantsville Div, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-101-4037 has 1 manufacturer part number on file: AR-7/VR-75 (Fansteel Inc Vr/wesson Plantsville Div).
Key specifications for AR-7/VR-75: Overall Thickness: 0.438 INCHES NOMINAL IN; Shape: RECTANGULAR; Overall Length: 3.500 INCHES NOMINAL IN; Overall Width: 0.438 INCHES NOMINAL IN. 7 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.