The Chain,roller, cataloged under National Stock Number 3020-01-071-2843, 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 Hornet Acquisitionco, Llc Dba Onboard Systems. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-071-2843 |
| Primary Part Number | 42277-175 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| Second Chain Link Plate Nominal Thickness | 0.0300 INCHES IN |
| Second Chain Link Bushing Nominal Outside Diameter | 0.1300 INCHES IN |
| Pin Overall Length | 0.3400 INCHES NOMINAL IN |
| Second Chain Link Style | ROLLERLESS |
| Effective Length | 1.2500 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.1250 INCHES IN |
| First Chain Link Style | PIN |
| First Chain Link Pin Nominal Diameter | 0.0900 INCHES IN |
| First Chain Link Plate Width | 0.205 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Second Chain Link Plate Width | 0.237 INCHES NOMINAL IN |
| Minimum Tensile Strength | 875 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 0.1850 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0300 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 |
|---|---|
| 42277-175 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 42277C175 | 5/9 Secondary reference U.S. Government activity |
| 42277-175 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
NSN 3020-01-071-2843 is a Chain,roller, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-071-2843 has 1 manufacturer part number on file: 42277-175 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 42277-175: Second Chain Link Plate Nominal Thickness: 0.0300 INCHES IN; Second Chain Link Bushing Nominal Outside Diameter: 0.1300 INCHES IN; Pin Overall Length: 0.3400 INCHES NOMINAL IN; Second Chain Link Style: ROLLERLESS. 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.