The Tap,thread Cutting, cataloged under National Stock Number 5136-00-261-3270, 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 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-261-3270 |
| Primary Part Number | C57179 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Greenfield Industries Inc |
| Status | ACTIVE |
| Thread Pitch Diameters | +0.3479 TO 0.3484 INCHES IN |
| Shank Diameter | 0.381 INCHES NOMINAL IN |
| Thread Structure | REGULAR |
| Material | STEEL OVERALL |
| Length | 0.375 INCHES NOMINAL SQUARE END IN |
| Style Designator | SPIRAL POINTED FLUTE |
| Nondefinitive Spec/std Data | 2 TYPE AND B SERIES AND B STYLE |
| Starting Chamfer Type | PLUG |
| Thread Size and Series/type Designator | 0.375-24 UNF |
| Width Across Flats | 0.286 INCHES NOMINAL IN |
| Flute Quantity | 3 |
| Thread Forming Method | GROUND |
| Thread Direction | RIGHT-HAND |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C57179 PRIMARY | Greenfield Industries Inc (USA) |
| 106 | Colt Industries Operating Corp Pratt and Whitney Machine Tool Div |
| GGG-T-70 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 57179 | Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA) |
| 57179 | Kennametal Inc. Div Kennametal Industrial Products Group (USA) |
| GGG-T-70 TY2SEBSTB | General Services Administration Federal Supply Service (USA) |
NSN 5136-00-261-3270 is a Tap,thread Cutting, manufactured by Greenfield Industries Inc, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-00-261-3270 has 6 cross-referenced part numbers: C57179 (Greenfield Industries Inc), 106 (Colt Industries Operating Corp Pratt and Whitney Machine Tool Div), GGG-T-70 (Federal Specifications Promulgated by General Services Administration Washington DC), 57179 (Cleveland Twist Drill Co Div of Greenfield Industries Inc), 57179 (Kennametal Inc. Div Kennametal Industrial Products Group) and 1 more.
There are 10 known substitutes for 5136-00-261-3270: 5136-00-261-3237, 5136-00-261-3240, 5136-00-261-3244 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for C57179: Thread Pitch Diameters: +0.3479 TO 0.3484 INCHES IN; Shank Diameter: 0.381 INCHES NOMINAL IN; Thread Structure: REGULAR; Material: STEEL OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.