The Tap,thread Cutting, cataloged under National Stock Number 5136-01-038-2903, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Stanley Engineered Fastening Llc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-01-038-2903 |
| Primary Part Number | 5CPB |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Stanley Engineered Fastening Llc |
| Status | ACTIVE |
| Shank Diameter | 0.3795 INCHES MINIMUM AND 0.3810 INCHES MAXIMUM IN |
| Width Across Flats | 0.282 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN |
| Length | 0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM SQUARE END IN |
| Thread Structure | REGULAR |
| Thread Length | 1.188 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Pitch Diameters | +0.2764 TO 0.2803 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Flute Quantity | 4 |
| 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 |
|---|---|
| 5CPB PRIMARY | Stanley Engineered Fastening Llc (USA) |
NSN 5136-01-038-2903 is a Tap,thread Cutting, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-01-038-2903 has 1 manufacturer part number on file: 5CPB (Stanley Engineered Fastening Llc).
Key specifications for 5CPB: Shank Diameter: 0.3795 INCHES MINIMUM AND 0.3810 INCHES MAXIMUM IN; Width Across Flats: 0.282 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN; Length: 0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM 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.