The Relay,rotary, cataloged under National Stock Number 5945-00-111-1759, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-111-1759 |
| Primary Part Number | 1853740 |
| Item Name | Relay,rotary |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Coil DC Resistance | 11.12 OHMS NOMINAL |
| Structural Design | SECTIONAL |
| DC Operating Voltage Rating in Volts | 28.0 NOMINAL |
| Section Quantity | 4 |
| Coil Terminal Quantity | 2 |
| Mounting Configuration | FOUR 0.164 IN. DIA MTG HOLE ON 6.625 IN. BY 1.375 IN. MTG CENTERS IN |
| Coil Winding Quantity | 1 |
| 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 |
|---|---|
| 59451111759 | Northrop Grumman Systems Corporation (USA) |
| 1853740 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| TBA4454 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 171687-001 | 5/2 Secondary reference U.S. Government activity |
NSN 5945-00-111-1759 is a Relay,rotary, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-111-1759 has 2 manufacturer part numbers on file: 59451111759 (Northrop Grumman Systems Corporation), 1853740 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-338-1444. Verify interchangeability with system specifications before substitution.
Key specifications for 1853740: Overall Height: 3.188 INCHES MAXIMUM IN; Coil DC Resistance: 11.12 OHMS NOMINAL; Structural Design: SECTIONAL; DC Operating Voltage Rating in Volts: 28.0 NOMINAL. 7 specifications are 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.