The Tap,thread Cutting, cataloged under National Stock Number 5136-00-203-6623, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-203-6623 |
| Primary Part Number | 54726 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Tapco Cutting Tools Inc |
| Status | ACTIVE |
| Shank Diameter | 0.480 INCHES MINIMUM IN |
| Thread Direction | LEFT-HAND |
| Style Designator | STRAIGHT FLUTE |
| Flute Quantity | 4 |
| Thread Length | 1.810 INCHES MINIMUM IN |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Departure From Cited Designator | AS MODIFIED BY THREAD PITCH DIAMETERS |
| Thread Forming Method | GROUND |
| Starting Chamfer Type | TAPER |
| Flute Quantity | 4 |
| Length | 0.438 INCHES NOMINAL SQUARE END IN |
| Thread Structure | REGULAR |
| Style Designator | STRAIGHT FLUTE |
| Thread Size and Series/type Designator | 0.500-13 UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL OVERALL |
| Width Across Flats | 0.275 INCHES NOMINAL IN |
| Length | 0.438 INCHES NOMINAL SQUARE END IN |
| Departure From Cited Designator | AS MODIFIED BY THREAD PITCH DIAMETERS |
| Shank Diameter | 0.480 INCHES MINIMUM IN |
| Thread Size and Series/type Designator | 0.500-13 UNIFIED NATIONAL COARSE (UNC) |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Starting Chamfer Type | TAPER |
| Thread Length | 1.810 INCHES MINIMUM IN |
| Thread Structure | REGULAR |
| Width Across Flats | 0.275 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Thread Pitch Diameters | +0.4510 TO 0.4515 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B94.9 1/2-13 UNC HS G H3 | Moeller Mfg. Company, Llc Div Aircraft (USA) |
| 54726 PRIMARY | Tapco Cutting Tools Inc (USA) |
| B94.9 | The American Society of Mechanical Engineers (USA) |
| GGG-T-70 TY1SEASTA | General Services Administration Federal Supply Service (USA) |
| 54726 | Tapco (USA) |
| GGG-T-70 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5136-00-203-6623 is a Tap,thread Cutting, manufactured by Tapco Cutting Tools Inc, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-00-203-6623 has 6 cross-referenced part numbers: B94.9 1/2-13 UNC HS G H3 (Moeller Mfg. Company, Llc Div Aircraft), 54726 (Tapco Cutting Tools Inc), B94.9 (The American Society of Mechanical Engineers), GGG-T-70 TY1SEASTA (General Services Administration Federal Supply Service), 54726 (Tapco) and 1 more.
There are 8 known substitutes for 5136-00-203-6623: 5136-00-580-7334, 5136-00-729-5688, 5136-00-729-5692 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 54726: Shank Diameter: 0.480 INCHES MINIMUM IN; Thread Direction: LEFT-HAND; Style Designator: STRAIGHT FLUTE; Flute Quantity: 4. 29 total characteristics are documented in the Federal Logistics Information System.