The Drill,twist, cataloged under National Stock Number 5133-01-671-2998, 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 Viking Drill & Tool, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-01-671-2998 |
| Primary Part Number | 05640 |
| Item Name | Drill,twist |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Viking Drill & Tool, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.156 INCHES NOMINAL IN |
| Cutting End Style | GENERAL PURPOSE |
| Flute Length | 2.000 INCHES NOMINAL IN |
| Nominal Cutting Diameter | 0.1563 INCHES IN |
| Cutting Rotation Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | B TYPE |
| Shank Style | STRAIGHT ROUND |
| Flute Quantity | 2 |
| Material | STEEL OVERALL |
| Point Angle | 135.0 DEGREES NOMINAL |
| Point Type | SPLIT |
| 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 |
|---|---|
| 05640 | Viking Drill & Tool, Inc. (USA) |
| Reference | Meaning |
|---|---|
| NAS907 | 3/1 Design control — primary reference U.S. Government activity |
| NAS907 TYBSZ5/32 | 5/1 Secondary reference U.S. Government activity |
NSN 5133-01-671-2998 is a Drill,twist, manufactured by Viking Drill & Tool, Inc., classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-01-671-2998 has 1 manufacturer part number on file: 05640 (Viking Drill & Tool, Inc.).
Key specifications for 05640: Shank Diameter: 0.156 INCHES NOMINAL IN; Cutting End Style: GENERAL PURPOSE; Flute Length: 2.000 INCHES NOMINAL IN; Overall Length: 3.125 INCHES NOMINAL IN. 12 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.