The Chain,roller, cataloged under National Stock Number 3020-01-284-7702, 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 Altra Industrial Motion Corp.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-284-7702 |
| Primary Part Number | 35SSX79 PITCHES WITH OFFSET LINK |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Altra Industrial Motion Corp. |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.1410 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.0500 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.2000 INCHES IN |
| Pin Overall Length | 0.5460 INCHES NOMINAL IN |
| Second Chain Link Style | PIN |
| Effective Length | 2.4683 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.1870 INCHES IN |
| First Chain Link Style | ROLLER |
| End Connection Style | PIN |
| First Chain Link Plate Width | 0.3590 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED |
| Second Chain Link Plate Width | 0.3590 INCHES NOMINAL IN |
| First Chain Link Nominal Width Between Plates | 0.1870 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 35SSX79 PITCHES WITH OFFSET LINK PRIMARY | Altra Industrial Motion Corp. (USA) |
| Reference | Meaning |
|---|---|
| 3153738 | 7/2 Vendor item drawing reference L3 Technologies, Inc. Div Ocean Systems |
NSN 3020-01-284-7702 is a Chain,roller, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-284-7702 has 1 manufacturer part number on file: 35SSX79 PITCHES WITH OFFSET LINK (Altra Industrial Motion Corp.).
Key specifications for 35SSX79 PITCHES WITH OFFSET LINK: Second Chain Link Pin Nominal Diameter: 0.1410 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.0500 INCHES IN; First Chain Link Roller Nominal Diameter: 0.2000 INCHES IN; Pin Overall Length: 0.5460 INCHES NOMINAL IN. 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.