The Chain,roller, cataloged under National Stock Number 3020-00-653-9535, 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 U S Army Tank Automotive Command Amsta-Im-Mm. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-653-9535 |
| Primary Part Number | 7044246 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.4000 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.0820 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.2000 INCHES IN |
| Pin Overall Length | 0.5780 INCHES NOMINAL IN |
| Second Chain Link Style | PIN |
| Effective Length | 0.6771 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.5120 INCHES IN |
| First Chain Link Style | ROLLER |
| Nominal Pitch Distance | 0.705 INCHES IN |
| First Chain Link Plate Width | 0.625 INCHES NOMINAL IN |
| Pin Fastening Method | HEADED STRAIGHT PIN AND RIVETED |
| Second Chain Link Plate Width | 0.594 INCHES NOMINAL IN |
| First Chain Link Nominal Width Between Plates | 0.6250 INCHES IN |
| Link Row Quantity | 2 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0800 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 |
|---|---|
| 7044246 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-00-653-9535 is a Chain,roller, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-653-9535 has 1 manufacturer part number on file: 7044246 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7044246: Second Chain Link Pin Nominal Diameter: 0.4000 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.0820 INCHES IN; First Chain Link Roller Nominal Diameter: 0.2000 INCHES IN; Pin Overall Length: 0.5780 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.