The Relay,electromagnetic, cataloged under National Stock Number 5945-01-022-6816, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dynalco Controls Corporation. Government technical data includes 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-022-6816 |
| Primary Part Number | SW200B-272 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Dynalco Controls Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 25000.0 AC AND 25000.0 DC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.298 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 35.0 AMPERES AC AND 35.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.218 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Features Provided | LATCHING CONTACTS |
| Nominal Operating Current Rating and Type | 2.8 AMPERES DC ALL WINDINGS |
| Time Delay | 0.04 SECONDS NOMINAL FIXED OPERATE TIME |
| Time Delay | 0.075 SECONDS NOMINAL FIXED RELEASE TIME |
| Coil Quantity | 2 |
| Winding Quantity | 2 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS ALL WINDINGS |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.298 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 6 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| 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 |
|---|---|
| SW200B-272 | Motor Services Hugo Stamp Inc (USA) |
| SW200B-272 PRIMARY | Dynalco Controls Corporation (USA) |
| Reference | Meaning |
|---|---|
| 410-0551-020 | 5/9 Secondary reference U.S. Government activity |
| 410-0551-020 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| RP233XDE8118C34000 | 5/9 Secondary reference Jennings Technology Company Llc Dba Jennings |
| RP233X4071C34000 | 5/9 Secondary reference Jennings Technology Company Llc Dba Jennings |
NSN 5945-01-022-6816 is a Relay,electromagnetic, manufactured by Dynalco Controls Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-022-6816 has 2 manufacturer part numbers on file: SW200B-272 (Motor Services Hugo Stamp Inc), SW200B-272 (Dynalco Controls Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-690-7318. Verify interchangeability with system specifications before substitution.
Key specifications for SW200B-272: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 14.650 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 25000.0 AC AND 25000.0 DC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 17 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.