The Tap,thread Cutting, cataloged under National Stock Number 5136-01-246-0245, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 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 | 5136-01-246-0245 |
| Primary Part Number | B94.9 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Style Designator | STRAIGHT FLUTE |
| Thread Structure | REGULAR |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Starting Chamfer Type | TAPER |
| Length | 0.281 INCHES NOMINAL SQUARE END IN |
| Thread Forming Method | GROUND |
| Flute Quantity | 4 |
| Thread Size and Series/type Designator | 0.250-20 UNIFIED NATIONAL COARSE (UNC) |
| Width Across Flats | 0.191 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Shank Diameter | 0.255 INCHES NOMINAL IN |
| Thread Pitch Diameters | +0.2180 TO 0.2185 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B94.9 | The American Society of Mechanical Engineers (USA) |
| 14015 | Greenfield Industries Inc (USA) |
| 5303 1/4-20 UNC | Greenfield Industries Inc (USA) |
| GGG-T-70 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 5303 1/4-20 UNC | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| B94.9 1/4- 20 UNC HS G H2 | General Services Administration Federal Supply Service (USA) |
| GGG-T-70 TY1SEASTA | General Services Administration Federal Supply Service (USA) |
| 14015 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
NSN 5136-01-246-0245 is a Tap,thread Cutting, manufactured by The American Society of Mechanical Engineers, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-01-246-0245 has 8 cross-referenced part numbers: B94.9 (The American Society of Mechanical Engineers), 14015 (Greenfield Industries Inc), 5303 1/4-20 UNC (Greenfield Industries Inc), GGG-T-70 (Federal Specifications Promulgated by General Services Administration Washington DC), 5303 1/4-20 UNC (Kennametal Inc. Div Kennametal Industrial Products Group) and 3 more.
There are 12 known substitutes for 5136-01-246-0245: 7690-00-112-8981, 5920-00-142-4810, 5136-00-261-3262 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B94.9: Style Designator: STRAIGHT FLUTE; Thread Structure: REGULAR; Specification/standard Data: 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Starting Chamfer Type: TAPER. 15 total characteristics are documented in the Federal Logistics Information System.