The Tap,thread Cutting, cataloged under National Stock Number 5136-00-050-5964, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Doall Baltimore Company. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-050-5964 |
| Primary Part Number | 714-540127 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Doall Baltimore Company |
| Status | ACTIVE |
| Shank Diameter | 0.318 INCHES NOMINAL IN |
| Width Across Flats | 0.238 INCHES NOMINAL IN |
| Length | 0.312 INCHES NOMINAL SQUARE END IN |
| Thread Structure | REGULAR |
| Thread Length | 1.125 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Pitch Diameters | +0.2774 TO 0.2779 INCHES IN |
| Departure From Cited Designator | AS MODIFIED BY FLUTE QUANTITY |
| Nondefinitive Spec/std Data | 1 TYPE AND A SERIES AND B STYLE |
| Flute Quantity | 3 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 0.312-18 UNIFIED NATIONAL COARSE (UNC) |
| Starting Chamfer Type | PLUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 714-540127 PRIMARY | Doall Baltimore Company (USA) |
| Reference | Meaning |
|---|---|
| GGG-T-70 TY1SEASTB | 5/1 Secondary reference U.S. Government activity |
| GGG-T-70 | 4/1 Identification reference U.S. Government activity |
NSN 5136-00-050-5964 is a Tap,thread Cutting, manufactured by Doall Baltimore Company, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-00-050-5964 has 1 manufacturer part number on file: 714-540127 (Doall Baltimore Company).
Key specifications for 714-540127: Shank Diameter: 0.318 INCHES NOMINAL IN; Width Across Flats: 0.238 INCHES NOMINAL IN; Length: 0.312 INCHES NOMINAL SQUARE END IN; Thread Structure: REGULAR. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.