The Tap,thread Cutting, cataloged under National Stock Number 5136-00-809-9950, 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13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-809-9950 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Status | ACTIVE |
| Shank Diameter | 0.697 INCHES NOMINAL IN |
| Width Across Flats | 0.523 INCHES NOMINAL IN |
| Length | 0.750 INCHES NOMINAL SQUARE END IN |
| Thread Structure | REGULAR |
| Thread Length | 2.219 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Pitch Diameters | +0.8138 TO 0.8150 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Flute Quantity | 4 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | S0.875-9 UN |
| 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 |
| Reference | Meaning |
|---|---|
| 407128-6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5136-00-809-9950 is a Tap,thread Cutting, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3120-01-317-5605. Verify interchangeability with system specifications before substitution.
Key specifications for 5136-00-809-9950: Shank Diameter: 0.697 INCHES NOMINAL IN; Width Across Flats: 0.523 INCHES NOMINAL IN; Length: 0.750 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.