The Drill,twist, cataloged under National Stock Number 5133-01-644-6239, 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 Lawson Products. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-01-644-6239 |
| Primary Part Number | 83923 |
| Item Name | Drill,twist |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Lawson Products |
| Status | ACTIVE |
| Cutting End Style | GENERAL PURPOSE |
| Nominal Cutting Diameter | 0.1875 INCHES IN |
| Cutting Rotation Direction | LEFT-HAND |
| 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 |
|---|---|
| 83923 PRIMARY | Lawson Products (USA) |
NSN 5133-01-644-6239 is a Drill,twist, manufactured by Lawson Products, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-01-644-6239 has 1 manufacturer part number on file: 83923 (Lawson Products).
Key specifications for 83923: Cutting End Style: GENERAL PURPOSE; Overall Length: 3.500 INCHES NOMINAL IN; Nominal Cutting Diameter: 0.1875 INCHES IN; Cutting Rotation Direction: LEFT-HAND. 8 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.