The Tap,thread Cutting, cataloged under National Stock Number 5136-01-717-5397, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Greenfield Industries Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-01-717-5397 |
| Primary Part Number | 328568 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Greenfield Industries Inc |
| Status | ACTIVE |
| Shank Diameter | 0.312 INCHES NOMINAL IN |
| Width Across Flats | 0.238 INCHES NOMINAL IN |
| Length | 0.375 INCHES NOMINAL SQUARE END IN |
| Thread Structure | REGULAR |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 1.125 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Flute Quantity | 4 |
| Thread Size and Series/type Designator | 8.0 ISO M |
| Starting Chamfer Type | BOTTOMING |
| Thread Forming Method | GROUND |
| 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 |
|---|---|
| 328568 PRIMARY | Greenfield Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| B94.9 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| B94.9 M8 X 1.25 | 5/1 Secondary reference U.S. Government activity |
NSN 5136-01-717-5397 is a Tap,thread Cutting, manufactured by Greenfield Industries Inc, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-01-717-5397 has 1 manufacturer part number on file: 328568 (Greenfield Industries Inc).
Key specifications for 328568: Shank Diameter: 0.312 INCHES NOMINAL IN; Width Across Flats: 0.238 INCHES NOMINAL IN; Length: 0.375 INCHES NOMINAL SQUARE END IN; Thread Structure: REGULAR. 13 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.