The Drill,twist, cataloged under National Stock Number 5133-01-537-9166, 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 Kennametal Inc. Div Kennametal Industrial Products Group. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-01-537-9166 |
| Primary Part Number | C01988 |
| Item Name | Drill,twist |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Kennametal Inc. Div Kennametal Industrial Products Group |
| Status | ACTIVE |
| Cutting Rotation Direction | RIGHT-HAND |
| 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 |
|---|---|
| C01988 PRIMARY | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| Reference | Meaning |
|---|---|
| 2002-0246 | 5/9 Secondary reference Cleveland Twist Drill Co Div of Greenfield Industries Inc |
NSN 5133-01-537-9166 is a Drill,twist, manufactured by Kennametal Inc. Div Kennametal Industrial Products Group, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-01-537-9166 has 1 manufacturer part number on file: C01988 (Kennametal Inc. Div Kennametal Industrial Products Group).
Key specifications for C01988: Overall Length: 4.000 INCHES NOMINAL IN; Cutting Rotation Direction: RIGHT-HAND; Special Features: 2.750 INCH FLUTE LENGTH;DRILL DIALETTER SIZE D;HIGH SPEED STEEL IN; Material: STEEL OVERALL. 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.