The Connector,silent Chain, cataloged under National Stock Number 3020-00-349-3773, 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 Rexnord Industries, Llc Div Link-Belt Bearing Operation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 18 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-349-3773 |
| Primary Part Number | SC612 USUAL EXTRAS |
| Item Name | Connector,silent Chain |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rexnord Industries, Llc Div Link-Belt Bearing Operation |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CONSISTS OF A PIN 0.188 IN.DIA BY 3.188 IN.LG AND TWO WASHERS 0.375 IN.DIA BY 0.057 IN.THK 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 |
|---|---|
| SC612 USUAL EXTRAS PRIMARY | Rexnord Industries, Llc Div Link-Belt Bearing Operation (USA) |
| 564-2200-936152PP20LIB1001 PRIMARY | Naval Sea Systems Command (USA) |
| 564-2200-936152PCK4LINK PRIMARY | Naval Sea Systems Command (USA) |
| 564-2601-936079PP20LIB1001 PRIMARY | Naval Sea Systems Command (USA) |
| 564-2601-936079PD4PIN PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 313-2200-233503PCJ4C0NNECT0R | 3/2 Design control — primary reference U.S. Government activity |
| 313-2200-233503PP20LIB1001 | 3/2 Design control — primary reference U.S. Government activity |
| 2762-06PCJ4C0NNECT0R | 5/9 Secondary reference U.S. Government activity |
| 319-2200-1188231P20LIB1001 | 3/2 Design control — primary reference U.S. Government activity |
| 564-2200-936152PCK4LINK | 5/9 Secondary reference U.S. Government activity |
| 2462-56PCJ4C0NNEP20LIB1001 | 5/9 Secondary reference U.S. Government activity |
| 346-2200-484578PP20LIB1001 | 3/2 Design control — primary reference U.S. Government activity |
| 2961-09PCD4PIN | 5/9 Secondary reference U.S. Government activity |
| 2962-53PCK4LINK | 5/9 Secondary reference U.S. Government activity |
| 3362-06PCJ4C0NNEP20LIB1001 | 5/9 Secondary reference U.S. Government activity |
| 2462-56PCJ4C0NNECT0R | 5/9 Secondary reference U.S. Government activity |
| 319-2200-1188231PCJ4C0NNECT0R | 3/2 Design control — primary reference U.S. Government activity |
| 346-2200-484578PCJ4C0NNECT0R | 3/2 Design control — primary reference U.S. Government activity |
| 564-2200-936152PP20LIB1001 | 5/9 Secondary reference U.S. Government activity |
| 2762-06PCJ4C0NNEP20LIB1001 | 5/9 Secondary reference U.S. Government activity |
| 564-2601-936079PP20LIB1001 | 5/9 Secondary reference U.S. Government activity |
| 564-2601-936079PD4PIN | 5/9 Secondary reference U.S. Government activity |
| 3362-06PCJ4C0NNECT0R | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-349-3773 is a Connector,silent Chain, manufactured by Rexnord Industries, Llc Div Link-Belt Bearing Operation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-349-3773 has 5 manufacturer part numbers on file: SC612 USUAL EXTRAS (Rexnord Industries, Llc Div Link-Belt Bearing Operation), 564-2200-936152PP20LIB1001 (Naval Sea Systems Command), 564-2200-936152PCK4LINK (Naval Sea Systems Command), 564-2601-936079PP20LIB1001 (Naval Sea Systems Command), 564-2601-936079PD4PIN (Naval Sea Systems Command).
Key specifications for SC612 USUAL EXTRAS: General Characteristics Item Description: STEEL,CONSISTS OF A PIN 0.188 IN.DIA BY 3.188 IN.LG AND TWO WASHERS 0.375 IN.DIA BY 0.057 IN.THK IN. 1 specification is 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.