The Connecting Link,rigid, cataloged under National Stock Number 3040-01-570-6542, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa (CAGE 4WWH5) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-570-6542 |
| Primary Part Number | CB-9-BR3902 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa |
| Status | ACTIVE |
| 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 |
|---|---|
| CB-9-BR3902 PRIMARY | Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa (USA) |
| Reference | Meaning |
|---|---|
| 12503750 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| BR3902 | 3/9 Design control — primary reference Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa |
NSN 3040-01-570-6542 is a Connecting Link,rigid, manufactured by Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-570-6542 has 1 manufacturer part number on file: CB-9-BR3902 (Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa).
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.