The Tap,thread Cutting, cataloged under National Stock Number 5136-01-729-3963, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Tapco Cutting Tools Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5136-01-729-3963 |
| Primary Part Number | 64064 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Tapco Cutting Tools Inc |
| Status | ACTIVE |
| Shank Diameter | 0.750 INCHES NOMINAL IN |
| Thread Structure | REGULAR |
| Thread Length | 1.375 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Flute Quantity | 5 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 0.750-18 NPTF |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 64064 PRIMARY | Tapco Cutting Tools Inc (USA) |
| 64064 | Tapco (USA) |
| Reference | Meaning |
|---|---|
| B94.9 3/4-14 NPTF HS G | 5/1 Secondary reference U.S. Government activity |
| B94.9 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 5136-01-729-3963 is a Tap,thread Cutting, manufactured by Tapco Cutting Tools Inc, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-01-729-3963 has 2 manufacturer part numbers on file: 64064 (Tapco Cutting Tools Inc), 64064 (Tapco).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-733-3876. Verify interchangeability with system specifications before substitution.
Key specifications for 64064: Shank Diameter: 0.750 INCHES NOMINAL IN; Thread Structure: REGULAR; Thread Length: 1.375 INCHES NOMINAL IN; Style Designator: STRAIGHT FLUTE. 11 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.