The Bit,rock Drill, cataloged under National Stock Number 3820-01-141-4123, 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 Atlas Copco Berema Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3820-01-141-4123 |
| Primary Part Number | 9245-9920-61 |
| Item Name | Bit,rock Drill |
| FSC / FSG | 3820 / 38 — Mining, Rock Drilling, Earth Boring, and Related Equipment |
| Manufacturer | Atlas Copco Berema Inc |
| Status | ACTIVE |
| Drilled Hole Diameter | 2.500 INCHES IN |
| Features Provided | TUNGSTEN CARBIDE INSERTS |
| Manufacturer Thread Design Designation | INGERSOL-RAND CO SERIES 113 |
| Material | STEEL |
| Cleaning Hole Location and Quantity | 1 CENTER AND 4 SIDE |
| Cutting End Type | CROSS |
| Attachment Method | THREADED SHOULDER 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 |
|---|---|
| 9245-9920-61 PRIMARY | Atlas Copco Berema Inc (USA) |
| T37M07 PRIMARY | Brunner and Lay Inc (USA) |
| Reference | Meaning |
|---|---|
| GH 528 46 | 5/9 Secondary reference Atlas Copco Berema Inc |
NSN 3820-01-141-4123 is a Bit,rock Drill, manufactured by Atlas Copco Berema Inc, classified under FSC 3820, Mining, Rock Drilling, Earth Boring, and Related Equipment. Status: active.
NSN 3820-01-141-4123 has 2 manufacturer part numbers on file: 9245-9920-61 (Atlas Copco Berema Inc), T37M07 (Brunner and Lay Inc).
Key specifications for 9245-9920-61: Drilled Hole Diameter: 2.500 INCHES IN; Features Provided: TUNGSTEN CARBIDE INSERTS; Manufacturer Thread Design Designation: INGERSOL-RAND CO SERIES 113; Material: STEEL. 7 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.