The Chain Assembly,roller, cataloged under National Stock Number 3020-01-555-9449, 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 Punching Concepts Inc Dba Procal. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-555-9449 |
| Primary Part Number | CIR-3.00E |
| Item Name | Chain Assembly,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Punching Concepts Inc Dba Procal |
| Status | ACTIVE |
| 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 |
|---|---|
| CIR-3.00E PRIMARY | Punching Concepts Inc Dba Procal (USA) |
| Reference | Meaning |
|---|---|
| 20864006 FN3 | 5/2 Secondary reference U.S. Government activity |
| 20858049 | 5/2 Secondary reference U.S. Government activity |
| 190678 | 5/2 Secondary reference U.S. Government activity |
| 20858005 FIND NO 3 | 5/2 Secondary reference U.S. Government activity |
| 20864037 FN2 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-01-555-9449 is a Chain Assembly,roller, manufactured by Punching Concepts Inc Dba Procal, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-555-9449 has 1 manufacturer part number on file: CIR-3.00E (Punching Concepts Inc Dba Procal).
Key specifications for CIR-3.00E: Special Features: CRANE,OVHD WEAPONS 191880. ALSO CALLED ROLLER CHAIN.; Part Name Assigned by Controlling Agency: ROLLER,TRACK; End Item Identification: CRANE ASSY,OVHD BRDG. 0 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.