The Drill,twist, cataloged under National Stock Number 5133-01-382-9919, 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 Northrop Grumman Systems Corporation. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-01-382-9919 |
| Primary Part Number | GD514A285 |
| Item Name | Drill,twist |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.193 INCHES NOMINAL IN |
| Cutting End Style | GENERAL PURPOSE |
| Hardness Rating | 65.0 ROCKWELL C MINIMUM AND 67.5 ROCKWELL C MAXIMUM |
| Flute Length | 1.187 INCHES NOMINAL IN |
| Material Document and Classification | COBALT HIGH SPEED MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Cutting Diameter | 0.1935 INCHES IN |
| Cutting Rotation Direction | RIGHT-HAND |
| Shank Style | FLAT ROUND |
| Material | STEEL ALLOY OVERALL |
| Point Angle | 135.0 DEGREES NOMINAL |
| 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 |
|---|---|
| GD514A285 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 3485 2719 285 | Northrop Grumman Systems Corporation (USA) |
NSN 5133-01-382-9919 is a Drill,twist, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-01-382-9919 has 2 manufacturer part numbers on file: GD514A285 (Northrop Grumman Systems Corporation), 3485 2719 285 (Northrop Grumman Systems Corporation).
Key specifications for GD514A285: Shank Diameter: 0.193 INCHES NOMINAL IN; Cutting End Style: GENERAL PURPOSE; Hardness Rating: 65.0 ROCKWELL C MINIMUM AND 67.5 ROCKWELL C MAXIMUM; Flute Length: 1.187 INCHES NOMINAL IN. 10 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.