The Drill,twist, cataloged under National Stock Number 5133-01-371-9612, 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 Guhring, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-01-371-9612 |
| Primary Part Number | 651 21/64 |
| Item Name | Drill,twist |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Guhring, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.328 INCHES NOMINAL IN |
| Cutting End Style | GENERAL PURPOSE |
| Flute Length | 2.938 INCHES NOMINAL IN |
| Nominal Cutting Diameter | 0.3281 INCHES IN |
| Cutting Rotation Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Shank Style | STRAIGHT ROUND |
| Flute Quantity | 2 |
| Surface Treatment | TITANIUM NITRIDE OVERALL |
| Material | STEEL OVERALL |
| Point Angle | 118.0 DEGREES NOMINAL |
| Point Type | CONVENTIONAL |
| 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 |
|---|---|
| 651 21/64 PRIMARY | Guhring, Inc. (USA) |
| Reference | Meaning |
|---|---|
| B94.11M | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 5133-01-371-9612 is a Drill,twist, manufactured by Guhring, Inc., classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-01-371-9612 has 1 manufacturer part number on file: 651 21/64 (Guhring, Inc.).
Key specifications for 651 21/64: Shank Diameter: 0.328 INCHES NOMINAL IN; Cutting End Style: GENERAL PURPOSE; Flute Length: 2.938 INCHES NOMINAL IN; Overall Length: 4.594 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.