The Tap,thread Cutting, cataloged under National Stock Number 5136-00-580-7323, 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5136-00-580-7323 |
| Primary Part Number | C54121 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Greenfield Industries Inc |
| Status | CANCELLED |
| Shank Diameter | 0.141 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Size and Series/type Designator | 0.099-56 UNF |
| Starting Chamfer Type | PLUG |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Flute Quantity | 3 |
| Material | STEEL OVERALL |
| Thread Forming Method | GROUND |
| Width Across Flats | 0.110 INCHES NOMINAL IN |
| Thread Structure | REGULAR |
| Length | 0.188 INCHES NOMINAL SQUARE END IN |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.630 INCHES MINIMUM IN |
| Thread Pitch Diameters | +0.0879 TO 0.0884 INCHES IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C54121 | Greenfield Industries Inc (USA) |
| 10119 | Osg Usa Inc (USA) |
| 15167 | Greenfield Industries Inc (USA) |
| B94.9 3-56 UNF HS G H2 | General Services Administration Federal Supply Service (USA) |
| 117377 | Jarvis Cutting Tools Inc (USA) |
| 10972 | Bendix Corp the Industrial Tools Div South Beloit Plant (USA) |
| C54121 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| GGG-T-70 TY1SEASTB | General Services Administration Federal Supply Service (USA) |
| 15167 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| GGG-T-70 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| B94.9 | The American Society of Mechanical Engineers (USA) |
| 08067 | Regal-Beloit Corporation Div Regal Cutting Tools (USA) |
| A-A-624 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
NSN 5136-00-580-7323 is a Tap,thread Cutting, manufactured by Greenfield Industries Inc, classified under FSC 5136 (No Item Name Available). Status: cancelled.
NSN 5136-00-580-7323 has 13 cross-referenced part numbers: C54121 (Greenfield Industries Inc), 10119 (Osg Usa Inc), 15167 (Greenfield Industries Inc), B94.9 3-56 UNF HS G H2 (General Services Administration Federal Supply Service), 117377 (Jarvis Cutting Tools Inc) and 8 more.
There are 12 known substitutes for 5136-00-580-7323: 5990-00-136-4182, 5985-00-184-9486, 5965-00-241-3729 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for C54121: Shank Diameter: 0.141 INCHES NOMINAL IN; Style Designator: STRAIGHT FLUTE; Thread Size and Series/type Designator: 0.099-56 UNF; Starting Chamfer Type: PLUG. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5136-00-580-7323 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.