The Chain,silent, cataloged under National Stock Number 3020-00-239-8308, 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 Fairbanks Morse, Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-239-8308 |
| Primary Part Number | AFB5644A |
| Item Name | Chain,silent |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| First Chain Link Nominal Width | 2.9160 INCHES IN |
| Minimum Tensile Strength | 28125 POUNDS PER SQUARE INCH LBS |
| Material | STEEL |
| 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 |
|---|---|
| AFB5644A PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 7AF9B5644APC1 | 5/9 Secondary reference U.S. Government activity |
| 16AFA71BPC39 | 5/9 Secondary reference U.S. Government activity |
| AFB5644A | 3/9 Design control — primary reference U.S. Government activity |
| 7AF9B71BPC35 | 5/9 Secondary reference U.S. Government activity |
| 8AFA5644APC1 | 5/9 Secondary reference U.S. Government activity |
| 15AF9B71BPC35 | 5/9 Secondary reference U.S. Government activity |
| 7AF9B71APC35 | 5/9 Secondary reference U.S. Government activity |
| 16AFA71APC39 | 5/9 Secondary reference U.S. Government activity |
| 15AF9B5644A1 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-239-8308 is a Chain,silent, manufactured by Fairbanks Morse, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-239-8308 has 1 manufacturer part number on file: AFB5644A (Fairbanks Morse, Llc).
Key specifications for AFB5644A: First Chain Link Nominal Width: 2.9160 INCHES IN; Minimum Tensile Strength: 28125 POUNDS PER SQUARE INCH LBS; Material: STEEL. 3 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.