The Terminal Block,electrical, cataloged under National Stock Number 2920-01-561-4206, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2920-01-561-4206 |
| Primary Part Number | 1756-TBSH |
| Item Name | Terminal Block,electrical |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| General Characteristics Item Description | THIS IS A 20-PIN CONNECTION, REMOVABLE TERMINAL BLOCK WITH SPRING-CLAMP TERMINALS |
| 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 |
|---|---|
| 1756-TBSH PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| 7623P ITEM 11 | 5/9 Secondary reference U.S. Government activity |
NSN 2920-01-561-4206 is a Terminal Block,electrical, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-561-4206 has 1 manufacturer part number on file: 1756-TBSH (Rockwell Automation, Inc. Dba Rockwell Automation).
Key specifications for 1756-TBSH: General Characteristics Item Description: THIS IS A 20-PIN CONNECTION, REMOVABLE TERMINAL BLOCK WITH SPRING-CLAMP TERMINALS; End Item Identification: PANEL GENERATOR LOW LOAD CONTROL 7623P. 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.