The Chain,roller, cataloged under National Stock Number 3020-00-287-7569, 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 Tyco Fire Products Lp. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-287-7569 |
| Primary Part Number | 11-03346 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Tyco Fire Products Lp |
| Status | ACTIVE |
| Second Chain Link Plate Nominal Thickness | 0.0500 INCHES IN |
| Second Chain Link Bushing Nominal Outside Diameter | 0.2000 INCHES IN |
| Second Chain Link Style | ROLLERLESS |
| Effective Length | 2.1562 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.1875 INCHES IN |
| First Chain Link Style | PIN |
| First Chain Link Pin Nominal Diameter | 0.1410 INCHES IN |
| Nominal Pitch Distance | 0.375 INCHES IN |
| First Chain Link Plate Width | 0.359 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Surface Treatment | CADMIUM |
| Second Chain Link Plate Width | 0.359 INCHES NOMINAL IN |
| Minimum Tensile Strength | 2100 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 0.1875 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0500 INCHES IN |
| 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 |
|---|---|
| 11-03346 PRIMARY | Tyco Fire Products Lp (USA) |
| Reference | Meaning |
|---|---|
| SC3346 | 5/9 Secondary reference Tyco Fire Products Lp |
NSN 3020-00-287-7569 is a Chain,roller, manufactured by Tyco Fire Products Lp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-287-7569 has 1 manufacturer part number on file: 11-03346 (Tyco Fire Products Lp).
Key specifications for 11-03346: Second Chain Link Plate Nominal Thickness: 0.0500 INCHES IN; Second Chain Link Bushing Nominal Outside Diameter: 0.2000 INCHES IN; Second Chain Link Style: ROLLERLESS; Effective Length: 2.1562 FEET NOMINAL FT. 17 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.