The Tap,thread Cutting, cataloged under National Stock Number 5136-00-671-2253, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-671-2253 |
| Primary Part Number | 809535 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| 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 | +0.2894 TO 0.2899 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-ASME B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Flute Quantity | 3 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 0.312-18 UNIFIED NATIONAL COARSE (UNC) |
| Starting Chamfer Type | PLUG |
| Thread Forming Method | GROUND |
| 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 |
|---|---|
| 809535 | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| Reference | Meaning |
|---|---|
| GGG-T-70 | 5/9 Secondary reference U.S. Government activity |
| GGG-T-70 TY1SEASTB | 5/9 Secondary reference U.S. Government activity |
| B94.9 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| B94.9 5/16-18 UNC HS G H3 | 5/1 Secondary reference U.S. Government activity |
NSN 5136-00-671-2253 is a Tap,thread Cutting, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-00-671-2253 has 1 manufacturer part number on file: 809535 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for 809535: 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. 14 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.