The Tap,thread Cutting, cataloged under National Stock Number 5136-00-640-6763, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-640-6763 |
| Primary Part Number | GGG-T-70 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Shank Diameter | 0.255 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FLUTE |
| Material | STEEL OVERALL |
| Starting Chamfer Type | PLUG |
| Length | 0.281 INCHES NOMINAL SQUARE END IN |
| Departure From Cited Designator | AS MOD BY THD PITCH DIA |
| Thread Size and Series/type Designator | 0.250-20 UNIFIED NATIONAL COARSE (UNC) |
| Thread Structure | REGULAR |
| Flute Quantity | 4 |
| Thread Forming Method | GROUND |
| Nondefinitive Spec/std Data | 1 TYPE AND A SERIES AND B STYLE |
| Width Across Flats | 0.191 INCHES NOMINAL IN |
| Thread Pitch Diameters | +0.2255 TO 0.2260 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| GGG-T-70 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| GGG-T-70 TY1SEASTB | General Services Administration Federal Supply Service (USA) |
| 808443 | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 5136-00-640-6763 is a Tap,thread Cutting, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-00-640-6763 has 3 cross-referenced part numbers: GGG-T-70 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-T-70 TY1SEASTB (General Services Administration Federal Supply Service), 808443 (Curtiss-Wright Controls, Inc. Div Actuation Division).
There is 1 known substitute for 5136-00-640-6763: 5905-01-110-3524. Verify interchangeability with system specifications before substitution.
Key specifications for GGG-T-70: Shank Diameter: 0.255 INCHES NOMINAL IN; Style Designator: STRAIGHT FLUTE; Material: STEEL OVERALL; Starting Chamfer Type: PLUG. 16 total characteristics are documented in the Federal Logistics Information System.