The Bit,forstner, cataloged under National Stock Number 5133-00-142-4982, is classified within Federal Supply Class 5133 (Drill Bits, Counterbores, and Countersinks: Hand and Machine) of the Hand Tools group. The manufacturer of record is Stanley Tools Div of Stanley Works. Government technical data includes 5 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-00-142-4982 |
| Primary Part Number | 1966937 |
| Item Name | Bit,forstner |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Stanley Tools Div of Stanley Works |
| Status | ACTIVE |
| Shank Diameter | 0.375 INCHES NOMINAL IN |
| Cutting End Style | CIRCULAR RIM |
| Nominal Cutting Diameter | 1.8750 INCHES IN |
| Shank Style | STRAIGHT ROUND |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 1966937 PRIMARY | Stanley Tools Div of Stanley Works (USA) |
| 1966937 PRIMARY | Irwin Industrial Tool Company (USA) |
| Reference | Meaning |
|---|---|
| 42930 | 5/9 Secondary reference Irwin Industrial Tool Company |
| 42930 | 5/9 Secondary reference Irwin Industrial Tool Company Dba Irwin Construction Accessories |
| 62898 | 5/9 Secondary reference Vermont American Corp |
| GGG-B-383 TY1CLG | 5/9 Secondary reference U.S. Government activity |
| GGG-B-383 | 5/9 Secondary reference U.S. Government activity |
NSN 5133-00-142-4982 is a Bit,forstner, manufactured by Stanley Tools Div of Stanley Works, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-00-142-4982 has 2 manufacturer part numbers on file: 1966937 (Stanley Tools Div of Stanley Works), 1966937 (Irwin Industrial Tool Company).
Key specifications for 1966937: Shank Diameter: 0.375 INCHES NOMINAL IN; Cutting End Style: CIRCULAR RIM; Overall Length: 3.5 INCHES NOMINAL IN; Nominal Cutting Diameter: 1.8750 INCHES IN. 5 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.