The Drill,twist, cataloged under National Stock Number 5133-01-460-0288, 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 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-01-460-0288 |
| Primary Part Number | 40030 |
| 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 | 2.125 INCHES NOMINAL IN |
| Nominal Cutting Diameter | 0.4688 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 |
|---|---|
| 40030 PRIMARY | Precision Twist Drill Co (USA) |
| 48530 PRIMARY | Greenfield Industries Inc (USA) |
| 157 15/32 | Greenfield Industries Inc (USA) |
| R40 15/32 | Precision Twist Drill Co (USA) |
| Reference | Meaning |
|---|---|
| 2120 15/32 | 5/9 Secondary reference Cleveland Twist Drill Co Div of Greenfield Industries Inc |
| 48530 | 5/9 Secondary reference Greenfield Industries Inc |
| 48530 | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| 2120 15/32 | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| 157 15/32 | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| 157 15/32 | 5/9 Secondary reference Greenfield Industries Inc |
NSN 5133-01-460-0288 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 5133-01-460-0288 has 4 manufacturer part numbers on file: 40030 (Precision Twist Drill Co), 48530 (Greenfield Industries Inc), 157 15/32 (Greenfield Industries Inc), R40 15/32 (Precision Twist Drill Co).
3 possible matches (shared part number, not a government interchangeability claim): 5935-01-501-4206, 8465-01-541-8340, 6350-01-661-3649. Verify interchangeability with system specifications before substitution.
Key specifications for 40030: Cutting End Style: GENERAL PURPOSE; Flute Length: 2.125 INCHES NOMINAL IN; Overall Length: 3.625 INCHES NOMINAL IN; Nominal Cutting Diameter: 0.4688 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.