The Bit,rock Drill, cataloged under National Stock Number 3820-01-174-2281, 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 Brunner and Lay Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3820-01-174-2281 |
| Primary Part Number | T2212M0 |
| Item Name | Bit,rock Drill |
| FSC / FSG | 3820 / 38 — Mining, Rock Drilling, Earth Boring, and Related Equipment |
| Manufacturer | Brunner and Lay Inc |
| Status | ACTIVE |
| Drilled Hole Diameter | 2.250 INCHES IN |
| Features Provided | TUNGSTEN CARBIDE INSERTS |
| Manufacturer Thread Design Designation | COROMAT ROPE |
| 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 |
|---|---|
| T2212M0 PRIMARY | Brunner and Lay Inc (USA) |
| Reference | Meaning |
|---|---|
| 05190 | 5/9 Secondary reference Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools |
NSN 3820-01-174-2281 is a Bit,rock Drill, manufactured by Brunner and Lay Inc, classified under FSC 3820, Mining, Rock Drilling, Earth Boring, and Related Equipment. Status: active.
NSN 3820-01-174-2281 has 1 manufacturer part number on file: T2212M0 (Brunner and Lay Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5220-01-494-6202, 6510-01-583-4870. Verify interchangeability with system specifications before substitution.
Key specifications for T2212M0: Drilled Hole Diameter: 2.250 INCHES IN; Features Provided: TUNGSTEN CARBIDE INSERTS; Manufacturer Thread Design Designation: COROMAT ROPE; Special Features: FOR USE WITH WATER. 3 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.