The Adapter,tool,well Drilling and S, cataloged under National Stock Number 3820-01-338-9964, is classified within Federal Supply Class 3820 (Mining, Rock Drilling, Earth Boring, and Related Equipment) of the Construction, Mining, Excavating Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3820-01-338-9964 |
| Item Name | Adapter,tool,well Drilling and S |
| FSC / FSG | 3820 / 38 — Mining, Rock Drilling, Earth Boring, and Related Equipment |
| Status | ACTIVE |
| First End Thread Direction | RIGHT-HAND |
| First End Thread Diameter | 4.000 INCHES NOMINAL IN |
| Largest Outside Diameter | 5.490 INCHES NOMINAL IN |
| Design Type | BOX-TO-BOX |
| Second End Thread Series Modification | MODIFIED BY 2 IN. TAPER PER FOOT; 4 THREADS PER INCH IN |
| First End Thread Series | API |
| Second End Thread Direction | RIGHT-HAND |
| Second End Thread Location | INTERNAL |
| Second End Step Thread Feature | NOT INCLUDED |
| Construction | HOLLOW |
| Second End Thread Diameter | 2.875 INCHES NOMINAL IN |
| First End Thread Location | INTERNAL |
| Second End Thread Series | API IF |
| First End Thread Series Modification | MODIFIED BY 2 IN. TAPER PER FOOT; 4 THREADS PER INCH IN |
| First End Step Thread Feature | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 855017P0471 | 5/9 Secondary reference Atlas Copco |
| 58171380 | 5/9 Secondary reference Ingersoll-Rand Co Construction Equipment Group |
| 855017P0471 | 7/2 Vendor item drawing reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| 58171380 | 3/9 Design control — primary reference Epiroc Usa Llc |
NSN 3820-01-338-9964 is a Adapter,tool,well Drilling and S, classified under FSC 3820, Mining, Rock Drilling, Earth Boring, and Related Equipment. Status: active.
Key specifications for 3820-01-338-9964: First End Thread Direction: RIGHT-HAND; First End Thread Diameter: 4.000 INCHES NOMINAL IN; Largest Outside Diameter: 5.490 INCHES NOMINAL IN; Design Type: BOX-TO-BOX. 15 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.