The Bit,rock Drill, cataloged under National Stock Number 3820-01-338-3595, is classified within Federal Supply Class 3820 (Mining, Rock Drilling, Earth Boring, and Related Equipment) of the Construction, Mining, Excavating Equipment group. The manufacturer of record is Skidril Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3820-01-338-3595 |
| Primary Part Number | 1020-03 |
| Item Name | Bit,rock Drill |
| FSC / FSG | 3820 / 38 — Mining, Rock Drilling, Earth Boring, and Related Equipment |
| Manufacturer | Skidril Inc |
| Status | ACTIVE |
| Drilled Hole Diameter | 1.625 INCHES IN |
| Manufacturer Thread Design Designation | TIMKEN ROLLER BEARING CO SERIES H |
| Material | STEEL |
| Cleaning Hole Location and Quantity | 5 SIDE |
| Cutting End Type | CROSS |
| Attachment Method | THREADED BOTTOM DRIVE |
| 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 |
|---|---|
| 1020-03 PRIMARY | Skidril Inc (USA) |
| Reference | Meaning |
|---|---|
| 1020-03 | 5/9 Secondary reference Skidril Inc |
NSN 3820-01-338-3595 is a Bit,rock Drill, manufactured by Skidril Inc, classified under FSC 3820, Mining, Rock Drilling, Earth Boring, and Related Equipment. Status: active.
NSN 3820-01-338-3595 has 1 manufacturer part number on file: 1020-03 (Skidril Inc).
Key specifications for 1020-03: Drilled Hole Diameter: 1.625 INCHES IN; Manufacturer Thread Design Designation: TIMKEN ROLLER BEARING CO SERIES H; Special Features: DETACHABLE WITHOUT CARBIDE INSERT; End Item Identification: 3820-01-326-7997. 6 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.