The Guard,mechanical Drive, cataloged under National Stock Number 3020-01-497-0572, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-497-0572 |
| Primary Part Number | 218002205 |
| Item Name | Guard,mechanical Drive |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Features Provided | MOUNTING HOLE |
| Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| 218002205 PRIMARY | Naval Sea Systems Command (USA) |
| 596-7409745-19 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7409745 | D/9 Drawing number reference only Naval Sea Systems Command |
| B8316300-19AW | 5/2 Secondary reference U.S. Government activity |
| B831-6300-19 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-01-497-0572 is a Guard,mechanical Drive, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-497-0572 has 2 manufacturer part numbers on file: 218002205 (Naval Sea Systems Command), 596-7409745-19 (Naval Sea Systems Command).
Key specifications for 218002205: Overall Length: 15.190 INCHES NOMINAL IN; Overall Width: 2.125 INCHES NOMINAL IN; Features Provided: MOUNTING HOLE; Special Features: NEXT HIGHER ASSEMBLY CARGO BAY RAMMER CHAIN SPROCKET BOX; 0.63 INCHES THICK, 3 HOLES 0.219 INCH DIAMETER FOR INSTALLATION. MATERIAL, SYNTHETIC RUBBER, IAW SAE-AMS-R-6855 OR MIL-R-6855, CLASS 2, TYPE A, GRADE 40 IN. 2 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.