The Drill,twist, cataloged under National Stock Number 5133-00-595-8901, is classified within Federal Supply Class 5133 (Drill Bits, Counterbores, and Countersinks: Hand and Machine) of the Hand Tools group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-00-595-8901 |
| Item Name | Drill,twist |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Status | ACTIVE |
| Shank Diameter | 0.250 INCHES NOMINAL IN |
| Cutting End Style | GENERAL PURPOSE |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Flute Length | 0.875 INCHES NOMINAL IN |
| Nominal Cutting Diameter | 0.2500 INCHES IN |
| Cutting Rotation Direction | RIGHT-HAND |
| Departure From Cited Designator | AS MOD BY FLUTE LG AND O/A LG |
| Nondefinitive Spec/std Data | 1 CLASS AND B TYPE |
| Shank Style | STRAIGHT ROUND |
| Flute Quantity | 2 |
| Material | STEEL OVERALL |
| Point Angle | 118.0 DEGREES NOMINAL |
| Point Type | NOTCHED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| GGG-D-751 | 4/1 Identification reference U.S. Government activity |
| GGG-D-751 TYBCL1 | 5/1 Secondary reference U.S. Government activity |
NSN 5133-00-595-8901 is a Drill,twist, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
Key specifications for 5133-00-595-8901: Shank Diameter: 0.250 INCHES NOMINAL IN; Cutting End Style: GENERAL PURPOSE; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Flute Length: 0.875 INCHES NOMINAL IN. 13 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.