The Shank,rod,rock Drill, cataloged under National Stock Number 3820-01-645-7644, 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 Irwin Industrial Tool Company. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3820-01-645-7644 |
| Primary Part Number | 91164 |
| Item Name | Shank,rod,rock Drill |
| FSC / FSG | 3820 / 38 — Mining, Rock Drilling, Earth Boring, and Related Equipment |
| Manufacturer | Irwin Industrial Tool Company |
| Status | ACTIVE |
| Diameter | 1.0 INCHES NOMINAL IN |
| Shoulder Diameter | 0.500 INCHES NOMINAL IN |
| Shank Overall Length | 3.0 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 91164 PRIMARY | Irwin Industrial Tool Company (USA) |
NSN 3820-01-645-7644 is a Shank,rod,rock Drill, manufactured by Irwin Industrial Tool Company, classified under FSC 3820, Mining, Rock Drilling, Earth Boring, and Related Equipment. Status: active.
NSN 3820-01-645-7644 has 1 manufacturer part number on file: 91164 (Irwin Industrial Tool Company).
Key specifications for 91164: Diameter: 1.0 INCHES NOMINAL IN; Overall Length: 6.0 INCHES NOMINAL IN; Shoulder Diameter: 0.500 INCHES NOMINAL IN; Shank Overall Length: 3.0 INCHES NOMINAL IN. 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.