The Tap,thread Cutting, cataloged under National Stock Number 5136-00-221-7894, 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13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5136-00-221-7894 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Status | ACTIVE |
| Width Across Flats | 0.110 INCHES NOMINAL IN |
| Thread Structure | REGULAR |
| Thread Length | 0.438 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Pitch Diameters | +0.0746 TO 0.0756 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 1 TYPE AND A STYLE AND A SERIES |
| Flute Quantity | 3 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 0.086-56 UNIFIED NATIONAL COARSE (UNC) |
| Starting Chamfer Type | TAPER |
| Thread Forming Method | CUT |
| 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 |
|---|---|
| GGG-T-60 | 5/9 Secondary reference U.S. Government activity |
| GGG-T-60 TY1SEASTA | 5/9 Secondary reference U.S. Government activity |
| B94.9 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 5136-00-221-7894 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): 5136-00-221-7901. Verify interchangeability with system specifications before substitution.
Key specifications for 5136-00-221-7894: Width Across Flats: 0.110 INCHES NOMINAL IN; Thread Structure: REGULAR; Thread Length: 0.438 INCHES NOMINAL IN; Style Designator: STRAIGHT FLUTE. 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.