The Tap,thread Cutting, cataloged under National Stock Number 5136-00-517-5561, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Greenfield Industries 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 | 5136-00-517-5561 |
| Primary Part Number | C54445 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Greenfield Industries Inc |
| Status | ACTIVE |
| Shank Diameter | 0.255 INCHES NOMINAL IN |
| Thread Size and Series/type Designator | 0.250-20 UNIFIED NATIONAL COARSE (UNC) |
| Flute Quantity | 4 |
| Thread Structure | REGULAR |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Across Flats | 0.191 INCHES NOMINAL IN |
| Length | 0.312 INCHES NOMINAL SQUARE END IN |
| Thread Forming Method | GROUND |
| Style Designator | STRAIGHT FLUTE |
| Starting Chamfer Type | BOTTOMING |
| Material | STEEL OVERALL |
| Thread Length | 1.0 INCHES MINIMUM IN |
| Thread Pitch Diameters | +0.2175 TO 0.2180 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C54445 | Greenfield Industries Inc (USA) |
| C54445 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| B94.9 | The American Society of Mechanical Engineers (USA) |
| 14012 | Greenfield Industries Inc (USA) |
| 08313 | Regal-Beloit Corporation Div Regal Cutting Tools (USA) |
| A-A-625 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 11812 | Bendix Corp the Industrial Tools Div South Beloit Plant (USA) |
| B94.9 1/4-20 UNC HS G H1 | General Services Administration Federal Supply Service (USA) |
| 120947 | Jarvis Cutting Tools Inc (USA) |
| GGG-T-70 TY1SEASTC | General Services Administration Federal Supply Service (USA) |
| 14012 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| GGG-T-70 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 11002 | Osg Usa Inc (USA) |
NSN 5136-00-517-5561 is a Tap,thread Cutting, manufactured by Greenfield Industries Inc, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-00-517-5561 has 13 cross-referenced part numbers: C54445 (Greenfield Industries Inc), C54445 (Kennametal Inc. Div Kennametal Industrial Products Group), B94.9 (The American Society of Mechanical Engineers), 14012 (Greenfield Industries Inc), 08313 (Regal-Beloit Corporation Div Regal Cutting Tools) and 8 more.
There are 12 known substitutes for 5136-00-517-5561: 5315-00-039-5417, 5970-00-055-1371, 5920-00-142-4813 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for C54445: Shank Diameter: 0.255 INCHES NOMINAL IN; Thread Size and Series/type Designator: 0.250-20 UNIFIED NATIONAL COARSE (UNC); Flute Quantity: 4; Thread Structure: REGULAR. 15 total characteristics are documented in the Federal Logistics Information System.