The Bit,rock Drill, cataloged under National Stock Number 3820-00-641-7700, 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 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3820-00-641-7700 |
| Primary Part Number | T1707M0 |
| 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 | 1.750 INCHES IN |
| Material | STEEL |
| Cleaning Hole Location and Quantity | 1 CENTER AND 1 SIDE |
| Cutting End Type | FOUR CUTTING EDGES |
| 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 |
|---|---|
| T1707M0 | Brunner and Lay Inc (USA) |
| Reference | Meaning |
|---|---|
| MCJ-1-3/4 | 5/9 Secondary reference Brunner and Lay Inc Rok-Bit Div |
| MCJ1.75IN. | 5/9 Secondary reference Brunner and Lay Inc Rok-Bit Div |
| T1707M0 | 3/9 Design control — primary reference Brunner & Lay, Inc. |
NSN 3820-00-641-7700 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 3820-00-641-7700 has 1 manufacturer part number on file: T1707M0 (Brunner and Lay Inc).
Key specifications for T1707M0: Drilled Hole Diameter: 1.750 INCHES IN; Material: STEEL; Cleaning Hole Location and Quantity: 1 CENTER AND 1 SIDE; Cutting End Type: FOUR CUTTING EDGES. 4 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.