The Chain,roller, cataloged under National Stock Number 3020-01-042-0421, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-042-0421 |
| Primary Part Number | 4032155-0703 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Second Chain Link Plate Nominal Thickness | 0.0150 INCHES IN |
| Second Chain Link Bushing Nominal Outside Diameter | 0.0900 INCHES IN |
| Second Chain Link Style | ROLLERLESS |
| Effective Length | 2.5420 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.0720 INCHES IN |
| First Chain Link Style | PIN |
| First Chain Link Pin Nominal Diameter | 0.0625 INCHES IN |
| First Chain Link Plate Width | 0.138 INCHES NOMINAL IN |
| Pin Fastening Method | SPRING CLIP |
| Surface Treatment | PASSIVATE |
| Second Chain Link Plate Width | 0.138 INCHES NOMINAL IN |
| Minimum Tensile Strength | 180 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 0.0720 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0150 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 |
|---|---|
| 4032155-0703 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 4032155 | D/9 Drawing number reference only Raytheon Company Dba Raytheon Co |
NSN 3020-01-042-0421 is a Chain,roller, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-042-0421 has 1 manufacturer part number on file: 4032155-0703 (Raytheon Company Dba Raytheon Co).
Key specifications for 4032155-0703: Second Chain Link Plate Nominal Thickness: 0.0150 INCHES IN; Second Chain Link Bushing Nominal Outside Diameter: 0.0900 INCHES IN; Second Chain Link Style: ROLLERLESS; Effective Length: 2.5420 FEET NOMINAL FT. 16 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.