The Terminal Junction Block,sectiona, cataloged under National Stock Number 5940-01-505-1978, is classified within Federal Supply Class 5940 (Lugs, Terminals, and Terminal Strips) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Automation Inc Dba Rockwell Automation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5940-01-505-1978 |
| Primary Part Number | 1492-DN3TW |
| Item Name | Terminal Junction Block,sectiona |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | Rockwell Automation Inc Dba Rockwell Automation |
| Status | ACTIVE |
| Mounting Method | SCREW |
| 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 |
|---|---|
| M-305244-DO ITEM 18 | Rockwell Automation Inc Dba Rockwell Automation (USA) |
| 1492-DN3TW PRIMARY | Rockwell Automation Inc Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| M-305244-DO | D/9 Drawing number reference only Rockwell Automation Inc Dba Rockwell Automation |
NSN 5940-01-505-1978 is a Terminal Junction Block,sectiona, manufactured by Rockwell Automation Inc Dba Rockwell Automation, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-01-505-1978 has 2 manufacturer part numbers on file: M-305244-DO ITEM 18 (Rockwell Automation Inc Dba Rockwell Automation), 1492-DN3TW (Rockwell Automation Inc Dba Rockwell Automation).
Key specifications for 1492-DN3TW: Overall Height: 4.490 INCHES NOMINAL IN; Mounting Method: SCREW; Overall Length: 2.480 INCHES NOMINAL IN; Overall Width: 3.270 INCHES NOMINAL 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.