The Tap,thread Cutting, cataloged under National Stock Number 5136-01-727-2576, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Tapco. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-01-727-2576 |
| Primary Part Number | 54390 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Tapco |
| Status | ACTIVE |
| Thread Structure | REGULAR |
| Thread Pitch in Millimeters | 28.0 |
| Style Designator | STRAIGHT FLUTE |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 05047-B94.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Flute Quantity | 4 |
| Thread Size and Series/type Designator | 12.28 UNF |
| 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 |
|---|---|
| 54390 PRIMARY | Tapco (USA) |
NSN 5136-01-727-2576 is a Tap,thread Cutting, manufactured by Tapco, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-01-727-2576 has 1 manufacturer part number on file: 54390 (Tapco).
Key specifications for 54390: Thread Structure: REGULAR; Thread Pitch in Millimeters: 28.0; Style Designator: STRAIGHT FLUTE; Overall Length: 2.38 INCHES NOMINAL IN. 9 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.