The Chain,silent, cataloged under National Stock Number 3020-00-244-0259, 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 Naval Sea Systems Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-244-0259 |
| Primary Part Number | 563-2100-931636ALT1PC1CHAIN |
| Item Name | Chain,silent |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Link Style | SIDE GUIDES |
| Link Nominal Width | 2.2500 INCHES IN |
| Nominal Pitch Distance | 0.625 INCHES IN |
| Minimum Tensile Strength | 18750 POUNDS PER SQUARE INCH LBS |
| Link Row Quantity | 17 |
| Material | STEEL |
| Link Nominal Width Between Plates | 1.0710 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 |
|---|---|
| 563-2100-931636ALT1PC1CHAIN PRIMARY | Naval Sea Systems Command (USA) |
| 563-2100-931636ALT1PC4CHAIN PRIMARY | Naval Sea Systems Command (USA) |
| 563-2100-931636ALT1PC3CHAIN PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 563-2100-931636ALT1PC1CHAIN | 5/9 Secondary reference U.S. Government activity |
| 5BDCHAIN | 5/9 Secondary reference Ramsey Products Corp |
| 563-2100-931636ALT1PC3CHAIN | 5/9 Secondary reference U.S. Government activity |
| MS9419PC3CHAIN | 3/2 Design control — primary reference U.S. Government activity |
| 563-2100-931636ALT1PC4CHAIN | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-244-0259 is a Chain,silent, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-244-0259 has 3 manufacturer part numbers on file: 563-2100-931636ALT1PC1CHAIN (Naval Sea Systems Command), 563-2100-931636ALT1PC4CHAIN (Naval Sea Systems Command), 563-2100-931636ALT1PC3CHAIN (Naval Sea Systems Command).
Key specifications for 563-2100-931636ALT1PC1CHAIN: Link Style: SIDE GUIDES; Link Nominal Width: 2.2500 INCHES IN; Nominal Pitch Distance: 0.625 INCHES IN; Minimum Tensile Strength: 18750 POUNDS PER SQUARE INCH LBS. 7 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.