The Drill,twist, cataloged under National Stock Number 5133-01-535-8381, 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 Precision Twist Drill Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-01-535-8381 |
| Primary Part Number | 018315 |
| Item Name | Drill,twist |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Precision Twist Drill Co |
| Status | ACTIVE |
| Cutting End Style | GENERAL PURPOSE |
| Flute Length | 2.188 INCHES NOMINAL IN |
| Nominal Cutting Diameter | 0.1800 INCHES IN |
| Surface Treatment | OXIDE FILM OVERALL |
| 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 |
NSN 5133-01-535-8381 is a Drill,twist, manufactured by Precision Twist Drill Co, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-01-535-8381 has 2 manufacturer part numbers on file: 018315 (Precision Twist Drill Co), 18315 (Precision Twist Drill Co).
Key specifications for 018315: Cutting End Style: GENERAL PURPOSE; Flute Length: 2.188 INCHES NOMINAL IN; Overall Length: 3.375 INCHES NOMINAL IN; Nominal Cutting Diameter: 0.1800 INCHES IN. 7 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.