The Tap,thread Cutting, cataloged under National Stock Number 5136-00-389-2497, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-389-2497 |
| Primary Part Number | WU64241 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Shank Diameter | 0.894 INCHES MINIMUM AND 0.896 INCHES MAXIMUM IN |
| Width Across Flats | 0.664 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN |
| Length | 0.813 INCHES MINIMUM AND 0.937 INCHES MAXIMUM SQUARE END IN |
| Thread Structure | REGULAR |
| Thread Length | 1.406 INCHES MINIMUM AND 1.594 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Pitch Diameters | +1.0806 TO 1.0816 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 1 TYPE AND C SERIES AND C STYLE |
| Flute Quantity | 4 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 1.125-14 UNS |
| 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 |
| Part Number | Manufacturer |
|---|---|
| WU64241 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| GGG-T-70 TY1SECSTC | 5/1 Secondary reference U.S. Government activity |
| GGG-T-70 | 4/1 Identification reference U.S. Government activity |
NSN 5136-00-389-2497 is a Tap,thread Cutting, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-00-389-2497 has 1 manufacturer part number on file: WU64241 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for WU64241: Shank Diameter: 0.894 INCHES MINIMUM AND 0.896 INCHES MAXIMUM IN; Width Across Flats: 0.664 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN; Length: 0.813 INCHES MINIMUM AND 0.937 INCHES MAXIMUM SQUARE END IN; Thread Structure: REGULAR. 14 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.