The Drill,twist, cataloged under National Stock Number 5133-01-671-4253, 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 Morse Cutting Tools. Government technical data includes 6 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 | 5133-01-671-4253 |
| Primary Part Number | 18172 |
| Item Name | Drill,twist |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Morse Cutting Tools |
| Status | ACTIVE |
| Cutting End Style | SLOW HELIX W/REGULAR POINT |
| Flute Quantity | 29 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 18172 PRIMARY | Morse Cutting Tools (USA) |
NSN 5133-01-671-4253 is a Drill,twist, manufactured by Morse Cutting Tools, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-01-671-4253 has 1 manufacturer part number on file: 18172 (Morse Cutting Tools).
Key specifications for 18172: Cutting End Style: SLOW HELIX W/REGULAR POINT; Flute Quantity: 29; Special Features: SET RANGE:1/16 TO 1/2 BY 64THS;SHANK TYPE:STRAIGHT;FINISH:BLACK;FLUTE TYPE:STANDARD;JOBBER LENGTH; Surface Treatment: OXIDE FILM OVERALL. 6 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.