The Tap,thread Cutting, cataloged under National Stock Number 5136-01-046-8861, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-01-046-8861 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Status | ACTIVE |
| Shank Diameter | 0.255 INCHES NOMINAL IN |
| Width Across Flats | 0.191 INCHES NOMINAL IN |
| Length | 0.312 INCHES NOMINAL SQUARE END IN |
| Thread Structure | REGULAR |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Style Designator | SPIRAL FLUTE |
| Thread Pitch Diameters | +0.2185 TO 0.2190 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Flute Quantity | 3 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 0.250-20 UNIFIED NATIONAL COARSE (UNC) |
| Starting Chamfer Type | PLUG |
| 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 |
| Reference | Meaning |
|---|---|
| 74300 | 3/9 Design control — primary reference Winter Bros Co |
NSN 5136-01-046-8861 is a Tap,thread Cutting, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
Key specifications for 5136-01-046-8861: Shank Diameter: 0.255 INCHES NOMINAL IN; Width Across Flats: 0.191 INCHES NOMINAL IN; Length: 0.312 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.