The Terminal Junction Block,sectiona, cataloged under National Stock Number 5940-01-490-2471, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5940-01-490-2471 |
| Primary Part Number | 1756-TBNH |
| 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 | TRACK |
| 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 |
|---|---|
| 1756TBNH/A | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| HN4.7777.002.95 | Elsag Datamat Spa (ITA) |
| 1756-TBNH PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| AB 0007A | 5/9 Secondary reference Rh Marine |
NSN 5940-01-490-2471 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 5940-01-490-2471 has 3 manufacturer part numbers on file: 1756TBNH/A (Rockwell Automation, Inc. Dba Rockwell Automation), HN4.7777.002.95 (Elsag Datamat Spa), 1756-TBNH (Rockwell Automation, Inc. Dba Rockwell Automation).
Key specifications for 1756-TBNH: Mounting Method: TRACK; Special Features: ITEM CAN BE USED ON VARIOUS 1756 I/O MODULES; End Item Identification: PANEL; NIMITZ CLASS CVN. 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.