The Relay,electromagnetic, cataloged under National Stock Number 5945-00-952-5520, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 15 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. 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 | 5945-00-952-5520 |
| Primary Part Number | A952 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 6.062 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 60.0 AMPERES AC AND 60.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.196 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Nominal Operating Current Rating and Type | 400.0 MILLIAMPERES DC SINGLE WINDING |
| Time Delay | 0.02 SECONDS NOMINAL FIXED OPERATE AND RELEASE TIME |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 18 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY AND 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY AND 4 TWO CIRCUIT, BOTH POSITIONS MAINTAINED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5945-00-952-5520 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-952-5520 has 2 manufacturer part numbers on file: A952 (Te Connectivity Corporation), GR13SD1 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 8030-01-552-0152. Verify interchangeability with system specifications before substitution.
Key specifications for A952: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.810 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 15 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.