The Tap,thread Cutting, cataloged under National Stock Number 5136-00-203-6502, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5136-00-203-6502 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Status | ACTIVE |
| Shank Diameter | 0.318 INCHES MINIMUM IN |
| Width Across Flats | 0.165 INCHES NOMINAL IN |
| Length | 0.281 INCHES NOMINAL SQUARE END IN |
| Thread Structure | REGULAR |
| Thread Length | 1.130 INCHES MINIMUM IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Pitch Diameters | +0.1889 TO 0.1894 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Designator | AS MODIFIED BY THREAD PITCH DIAMETERS |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Flute Quantity | 4 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 0.216-24 UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| A-A-624 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| GGG-T-70 TY1SEASTC | 5/9 Secondary reference U.S. Government activity |
| B94.9 12-24 UNC HS G H1 | 5/1 Secondary reference U.S. Government activity |
| B94.9 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| GGG-T-70 | 5/9 Secondary reference U.S. Government activity |
NSN 5136-00-203-6502 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): 5136-00-516-4977. Verify interchangeability with system specifications before substitution.
Key specifications for 5136-00-203-6502: Shank Diameter: 0.318 INCHES MINIMUM IN; Width Across Flats: 0.165 INCHES NOMINAL IN; Length: 0.281 INCHES NOMINAL SQUARE END IN; Thread Structure: REGULAR. 15 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.