The Relay,electromagnetic, cataloged under National Stock Number 5945-00-133-0434, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-133-0434 |
| Primary Part Number | RSY85900 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 2000.0 AC AND 2000.0 DC |
| Mounting Facility Pattern | CIRUCLAR SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 6.0 AMPERES AC AND 6.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.141 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 920.0 OHMS NOMINAL SINGLE WINDING |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 5 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| 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 |
|---|---|
| RSY85900 | Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU) |
| 91282166 | Thales Deutschland Gmbh (DEU) |
| 91282166 | Thales Sa (FRA) |
| RH4889 | Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU) |
| 5L4755-001-37 | Hensoldt Sensors Gmbh Div Seps (DEU) |
| Reference | Meaning |
|---|---|
| 1660 | 5/9 Secondary reference Jennings Technology Company Llc Dba Jennings |
| RF1D26-S | 3/9 Design control — primary reference Jennings Technology Company Llc Dba Jennings |
| RF1D26-5 | 5/9 Secondary reference Jennings Technology Company Llc Dba Jennings |
| 91282166 | 5/9 Secondary reference Thales Communications |
NSN 5945-00-133-0434 is a Relay,electromagnetic, manufactured by Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-133-0434 has 5 manufacturer part numbers on file: RSY85900 (Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S), 91282166 (Thales Deutschland Gmbh), 91282166 (Thales Sa), RH4889 (Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S), 5L4755-001-37 (Hensoldt Sensors Gmbh Div Seps).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-079-0347. Verify interchangeability with system specifications before substitution.
Key specifications for RSY85900: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Main Contact Maximum Voltage Rating in Volts: 2000.0 AC AND 2000.0 DC; Mounting Facility Pattern: CIRUCLAR SINGLE MOUNTING FACILITY; Main Contact Load Current Rating at Maximum Rated Voltage: 6.0 AMPERES AC AND 6.0 AMPERES DC RESISTIVE LOAD. 13 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.