The Tap,thread Cutting, cataloged under National Stock Number 5136-00-580-7356, 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 12 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5136-00-580-7356 |
| Primary Part Number | C54739 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Greenfield Industries Inc |
| Status | CANCELLED |
| Shank Diameter | 0.429 INCHES MINIMUM IN |
| Thread Size and Series/type Designator | 0.500-20 UNF |
| Width Across Flats | 0.275 INCHES NOMINAL IN |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Starting Chamfer Type | BOTTOMING |
| Length | 0.438 INCHES NOMINAL SQUARE END IN |
| Thread Forming Method | GROUND |
| Thread Structure | REGULAR |
| Flute Quantity | 4 |
| Material | STEEL OVERALL |
| Style Designator | STRAIGHT FLUTE |
| Thread Length | 1.660 INCHES MINIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Pitch Diameters | +0.4685 TO 0.4690 INCHES IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C54739 | Greenfield Industries Inc (USA) |
| GGG-T-70 TY1SEBSTC | General Services Administration Federal Supply Service (USA) |
| B94.9 1/2-20 UNF HS G H3 | General Services Administration Federal Supply Service (USA) |
| 08531 | Regal-Beloit Corporation Div Regal Cutting Tools (USA) |
| 14310 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| A-A-625 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 124667 | Jarvis Cutting Tools Inc (USA) |
| 14310 | Greenfield Industries Inc (USA) |
| B94.9 | The American Society of Mechanical Engineers (USA) |
| C54739 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| 11229 | Osg Usa Inc (USA) |
| GGG-T-70 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5136-00-580-7356 is a Tap,thread Cutting, manufactured by Greenfield Industries Inc, classified under FSC 5136 (No Item Name Available). Status: cancelled.
NSN 5136-00-580-7356 has 12 cross-referenced part numbers: C54739 (Greenfield Industries Inc), GGG-T-70 TY1SEBSTC (General Services Administration Federal Supply Service), B94.9 1/2-20 UNF HS G H3 (General Services Administration Federal Supply Service), 08531 (Regal-Beloit Corporation Div Regal Cutting Tools), 14310 (Kennametal Inc. Div Kennametal Industrial Products Group) and 7 more.
There are 12 known substitutes for 5136-00-580-7356: 8030-00-081-9022, 3120-00-126-4517, 5330-00-154-4839 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for C54739: Shank Diameter: 0.429 INCHES MINIMUM IN; Thread Size and Series/type Designator: 0.500-20 UNF; Overall Length: 3.375 INCHES NOMINAL IN; Width Across Flats: 0.275 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5136-00-580-7356 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.