The Tap,thread Cutting, cataloged under National Stock Number 5136-00-222-8770, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-222-8770 |
| Primary Part Number | WU16103 |
| 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 | 2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN |
| Width Across Flats | 1.572 INCHES MINIMUM AND 1.575 INCHES MAXIMUM IN |
| Length | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM SQUARE END IN |
| Thread Structure | REGULAR |
| Thread Length | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN |
| Thread Pitch Diameters | +3.9725 TO 3.9730 INCHES IN |
| Thread Direction | LEFT-HAND |
| Flute Quantity | 8 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 4.000-20 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 |
|---|---|
| WU16103 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| SK90281PC1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5136-00-222-8770 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 5136-00-222-8770 has 2 manufacturer part numbers on file: WU16103 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), SK90281PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for WU16103: Shank Diameter: 2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN; Width Across Flats: 1.572 INCHES MINIMUM AND 1.575 INCHES MAXIMUM IN; Length: 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM SQUARE END IN; Thread Structure: REGULAR. 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.