The Tap,thread Cutting, cataloged under National Stock Number 5136-00-203-6637, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-203-6637 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Status | ACTIVE |
| Width Across Flats | 0.442 INCHES NOMINAL IN |
| Thread Structure | REGULAR |
| Thread Length | 2.000 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Pitch Diameters | +0.6860 TO 0.6865 INCHES IN |
| Thread Direction | LEFT-HAND |
| Nondefinitive Spec/std Data | 1 TYPE AND A SERIES AND H3 LIMIT AND A STYLE |
| Flute Quantity | 4 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 0.750-10 UNIFIED NATIONAL COARSE (UNC) |
| Starting Chamfer Type | TAPER |
| 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 |
|---|---|
| GGG-T-70 TY1SEASTA | 5/1 Secondary reference U.S. Government activity |
| GGG-T-70 | 4/1 Identification reference U.S. Government activity |
NSN 5136-00-203-6637 is a Tap,thread Cutting, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
Key specifications for 5136-00-203-6637: Width Across Flats: 0.442 INCHES NOMINAL IN; Thread Structure: REGULAR; Thread Length: 2.000 INCHES NOMINAL IN; Style Designator: STRAIGHT FLUTE. 12 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.