The Tap,thread Cutting, cataloged under National Stock Number 5136-01-728-9780, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Tapco Cutting Tools Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-01-728-9780 |
| Primary Part Number | 54148 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Tapco Cutting Tools Inc |
| Status | ACTIVE |
| Thread Structure | REGULAR |
| Thread Size and Series/type Designator | 4.0-40 UNIFIED NATIONAL COARSE (UNC) |
| Width Across Flats | 0.110 INCHES NOMINAL IN |
| Shank Diameter | 0.141 INCHES NOMINAL IN |
| Flute Quantity | 2 |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Thread Forming Method | GROUND |
| Thread Length | 0.562 INCHES NOMINAL IN |
| Starting Chamfer Type | BOTTOMING |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B94.9 4-40 UNC HS G H2 | General Services Administration Federal Supply Service (USA) |
| B94.9 | The American Society of Mechanical Engineers (USA) |
| 54148 PRIMARY | Tapco Cutting Tools Inc (USA) |
| 54148 | Tapco (USA) |
NSN 5136-01-728-9780 is a Tap,thread Cutting, manufactured by Tapco Cutting Tools Inc, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-01-728-9780 has 4 cross-referenced part numbers: B94.9 4-40 UNC HS G H2 (General Services Administration Federal Supply Service), B94.9 (The American Society of Mechanical Engineers), 54148 (Tapco Cutting Tools Inc), 54148 (Tapco).
There are 6 known substitutes for 5136-01-728-9780: 5136-00-228-1040, 5136-00-729-5686, 5136-00-729-5689 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 54148: Special Features: STRAIGHT FLUTE; Thread Structure: REGULAR; Thread Size and Series/type Designator: 4.0-40 UNIFIED NATIONAL COARSE (UNC); Width Across Flats: 0.110 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.