The Drill,twist, cataloged under National Stock Number 5133-00-232-6398, 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 11 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 27 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5133-00-232-6398 |
| Primary Part Number | 150 B |
| Item Name | Drill,twist |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Greenfield Industries Inc |
| Status | ACTIVE |
| Shank Diameter | 0.238 INCHES NOMINAL IN |
| Cutting End Style | GENERAL PURPOSE |
| Flute Length | 2.750 INCHES NOMINAL IN |
| Nominal Cutting Diameter | 0.2380 INCHES IN |
| Cutting Rotation Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| 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 |
|---|---|
| 150 B | Greenfield Industries Inc (USA) |
| 0568 9303 | Blackwood J. Blackwood & Son Pty Ltd (AUS) |
| 44172 | Greenfield Industries Inc (USA) |
| 41-10264 | Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA) |
| 11447 | Morse Cutting Tools (USA) |
| 2013 B | New York Twist Drill Inc (USA) |
| 15002 | Precision Twist Drill Co (USA) |
| Reference | Meaning |
|---|---|
| 2001 B | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| 44172 | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| GGG-D-751 | 5/9 Secondary reference U.S. Government activity |
| 406 | 5/1 Secondary reference U.S. Government activity |
| 207 B | 5/9 Secondary reference Lear Siegler Inc National Twist Drill and Tool Div |
| R15 | 5/1 Secondary reference Precision Twist Drill Co |
| 350-RT | 5/9 Secondary reference U.S. Government activity |
| 2001 B | 5/9 Secondary reference Cleveland Twist Drill Co Div of Greenfield Industries Inc |
| 01197 | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| 919 B | 5/9 Secondary reference Cleveland Twist Drill Co Div of Greenfield Industries Inc |
| GGG-D-751 TYDSZB | 5/9 Secondary reference U.S. Government activity |
| 1332 | 5/9 Secondary reference Morse Cutting Tools Div of Morse Cutting Tool Corp |
| C01197 | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| 236 | 5/1 Secondary reference Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 |
| MS15444-97 | 5/9 Secondary reference U.S. Government activity |
| 13002 | 5/9 Secondary reference Lear Siegler Inc National Twist Drill and Tool Div |
| 150 B | 5/9 Secondary reference Kennametal Inc. Div Kennametal Industrial Products Group |
| 01197 | 5/9 Secondary reference Cleveland Twist Drill Co Div of Greenfield Industries Inc |
| B94.11M | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| 44172 | 5/9 Secondary reference Greenfield Industries Inc |
NSN 5133-00-232-6398 is a Drill,twist, manufactured by Greenfield Industries Inc, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-00-232-6398 has 7 manufacturer part numbers on file: 150 B (Greenfield Industries Inc), 0568 9303 (Blackwood J. Blackwood & Son Pty Ltd), 44172 (Greenfield Industries Inc), 41-10264 (Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039), 11447 (Morse Cutting Tools) and 2 more.
4 possible matches (shared part number, not a government interchangeability claim): 4730-00-264-9151, 4810-00-279-2827, 2805-00-311-4936. Verify interchangeability with system specifications before substitution.
Key specifications for 150 B: Shank Diameter: 0.238 INCHES NOMINAL IN; Cutting End Style: GENERAL PURPOSE; Flute Length: 2.750 INCHES NOMINAL IN; Overall Length: 4.000 INCHES NOMINAL IN. 11 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.