The Chain,roller, cataloged under National Stock Number 3020-00-855-4956, 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 Kornylak Corp. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-855-4956 |
| Primary Part Number | WW-118 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Kornylak Corp |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.3750 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.1850 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.7500 INCHES IN |
| Pin Overall Length | 1.6875 INCHES NOMINAL IN |
| Second Chain Link Style | PIN |
| Effective Length | 3.3333 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 1.1560 INCHES IN |
| First Chain Link Style | ROLLER |
| Features Provided | CHAIN W/UNJOINED ENDS |
| End Connection Style | ROLLER |
| Nominal Pitch Distance | 2.500 INCHES IN |
| First Chain Link Plate Width | 1.165 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Surface Treatment | CADMIUM |
| Second Chain Link Plate Width | 1.175 INCHES NOMINAL IN |
| First Chain Link Nominal Width Between Plates | 0.7300 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.1850 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 |
NSN 3020-00-855-4956 is a Chain,roller, manufactured by Kornylak Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-855-4956 has 2 manufacturer part numbers on file: WW-118 (Kornylak Corp), C220113 (Federal Equipment Co).
Key specifications for WW-118: Second Chain Link Pin Nominal Diameter: 0.3750 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.1850 INCHES IN; First Chain Link Roller Nominal Diameter: 0.7500 INCHES IN; Pin Overall Length: 1.6875 INCHES NOMINAL IN. 19 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.