The Chisel,paving Breaker, cataloged under National Stock Number 3820-01-254-9846, 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 Tamco Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3820-01-254-9846 |
| Primary Part Number | 4074-018 |
| Item Name | Chisel,paving Breaker |
| FSC / FSG | 3820 / 38 — Mining, Rock Drilling, Earth Boring, and Related Equipment |
| Manufacturer | Tamco Inc |
| Status | ACTIVE |
| Width Across Flats | 1.250 INCHES NOMINAL IN |
| Blade Style | CHISEL, PAVING BREAKER |
| Blade Width | 3.000 INCHES NOMINAL IN |
| Blade Length | 12.000 INCHES NOMINAL IN |
| Shank Style | COLLARED HEXAGON |
| Shank Overall Length | 6.000 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 |
|---|---|
| 4074-018 PRIMARY | Tamco Inc (USA) |
| Reference | Meaning |
|---|---|
| 270 | 5/9 Secondary reference U.S. Government activity |
| 4074-018 | 5/9 Secondary reference Tamco Group Llc Dba Tamco Company |
NSN 3820-01-254-9846 is a Chisel,paving Breaker, manufactured by Tamco Inc, classified under FSC 3820, Mining, Rock Drilling, Earth Boring, and Related Equipment. Status: active.
NSN 3820-01-254-9846 has 1 manufacturer part number on file: 4074-018 (Tamco Inc).
Key specifications for 4074-018: Width Across Flats: 1.250 INCHES NOMINAL IN; Blade Style: CHISEL, PAVING BREAKER; Overall Length: 22.500 INCHES NOMINAL IN; Blade Width: 3.000 INCHES NOMINAL IN. 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.