The Drill,twist, cataloged under National Stock Number 5133-01-460-0293, 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 Greenfield Industries Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-01-460-0293 |
| Primary Part Number | 48525 |
| Item Name | Drill,twist |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Greenfield Industries Inc |
| Status | ACTIVE |
| Cutting End Style | GENERAL PURPOSE |
| Flute Length | 1.875 INCHES NOMINAL IN |
| Nominal Cutting Diameter | 0.3906 INCHES IN |
| Cutting Rotation Direction | RIGHT-HAND |
| Shank Style | STRAIGHT ROUND |
| Flute Quantity | 2 |
| Material | STEEL OVERALL |
| Point Angle | 118.0 DEGREES NOMINAL |
| Point Type | CONVENTIONAL |
| 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 |
|---|---|
| 48525 PRIMARY | Greenfield Industries Inc (USA) |
| R40 25/64 | Precision Twist Drill Co (USA) |
| 157 25/64 | Greenfield Industries Inc (USA) |
| 40025 PRIMARY | Precision Twist Drill Co (USA) |
| Reference | Meaning |
|---|---|
| 2120 25/64 | 5/9 Secondary reference Cleveland Twist Drill Co Div of Greenfield Industries Inc |
| 2120 25/64 | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| 157 25/64 | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| 48525 | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| 48525 | 5/9 Secondary reference Greenfield Industries Inc |
| 157 25/64 | 5/9 Secondary reference Greenfield Industries Inc |
NSN 5133-01-460-0293 is a Drill,twist, manufactured by Greenfield Industries Inc, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-01-460-0293 has 4 manufacturer part numbers on file: 48525 (Greenfield Industries Inc), R40 25/64 (Precision Twist Drill Co), 157 25/64 (Greenfield Industries Inc), 40025 (Precision Twist Drill Co).
Key specifications for 48525: Cutting End Style: GENERAL PURPOSE; Flute Length: 1.875 INCHES NOMINAL IN; Overall Length: 3.250 INCHES NOMINAL IN; Nominal Cutting Diameter: 0.3906 INCHES IN. 9 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.