The Tap,thread Cutting, cataloged under National Stock Number 5136-00-889-6625, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-889-6625 |
| Primary Part Number | 54449 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Tapco Cutting Tools Inc |
| Status | ACTIVE |
| Starting Chamfer Type | PLUG |
| Length | 0.312 INCHES NOMINAL SQUARE END IN |
| Flute Quantity | 4 |
| Material | STEEL OVERALL |
| Style Designator | STRAIGHT FLUTE |
| Thread Forming Method | GROUND |
| Thread Structure | REGULAR |
| Thread Size and Series/type Designator | 0.250-20 UNIFIED NATIONAL COARSE (UNC) |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Across Flats | 0.191 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Thread Pitch Diameters | +0.2180 TO 0.2185 INCHES IN |
| Shank Diameter | 0.255 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C54449 | Greenfield Industries Inc (USA) |
| 14016 | Greenfield Industries Inc (USA) |
| 08316 | Regal-Beloit Corporation Div Regal Cutting Tools (USA) |
| 14016 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| B94.9 1/4-20 UNC HS G H2 | General Services Administration Federal Supply Service (USA) |
| B94.9 | The American Society of Mechanical Engineers (USA) |
| C54449 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| GGG-T-70 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| A-A-625 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 11814 | Bendix Corp the Industrial Tools Div South Beloit Plant (USA) |
| GGG-T-70 TY1SEASTB | General Services Administration Federal Supply Service (USA) |
| 54449 | Tapco (USA) |
| 54449 PRIMARY | Tapco Cutting Tools Inc (USA) |
NSN 5136-00-889-6625 is a Tap,thread Cutting, manufactured by Tapco Cutting Tools Inc, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-00-889-6625 has 13 cross-referenced part numbers: C54449 (Greenfield Industries Inc), 14016 (Greenfield Industries Inc), 08316 (Regal-Beloit Corporation Div Regal Cutting Tools), 14016 (Kennametal Inc. Div Kennametal Industrial Products Group), B94.9 1/4-20 UNC HS G H2 (General Services Administration Federal Supply Service) and 8 more.
There are 12 known substitutes for 5136-00-889-6625: 4730-00-003-1828, 5999-00-061-8685, 5985-00-212-7420 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 54449: Starting Chamfer Type: PLUG; Length: 0.312 INCHES NOMINAL SQUARE END IN; Overall Length: 2.500 INCHES NOMINAL IN; Flute Quantity: 4. 15 total characteristics are documented in the Federal Logistics Information System.