PartsTable TECHNICAL DATA SHEET
NSN 5945-01-188-4306Government record, cited

Relay, Reed5945-01-188-4306

NSN 5945-01-188-4306 · NIIN 011884306 · Part number 502-2A-24
Cooper Wheelock, Inc. · FSC 5945 — Relays and Solenoids · FSG 59 — Electrical and Electronic Equipment Components · CAGE 02116
Government record, cited
NSN 5945-01-188-4306 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-188-4306. Manufacturer of record part number: 502-2A-24.
Also searched as  5945-01-188-4306 · 5945011884306 · NIIN 011884306 · 01-188-4306 · FSC 5945 Relays and Solenoids · CAGE 02116 · 502-2A-24 · 172042P3
Nearby stock numbers  ·
Features
  • Relay,reed — FSC 5945
  • Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
  • Main Contact Maximum Voltage Rating in Volts: 250.0 DC
  • Main Contact Load Current Rating at Maximum Rated Voltage: 500.0 MILLIAMPERES DC RESISTIVE LOAD
  • Duty Type: CONTINUOUSCONTINUOUS
  • Coil Quantity: 11
  • Winding Quantity: 11
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Identification
  • NSN: 5945-01-188-4306
  • NIIN: 011884306
  • FSC: 5945 — Relays and Solenoids
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 502-2A-24
  • Manufacturer: Cooper Wheelock, Inc.
General Description

The Relay,reed, cataloged under National Stock Number 5945-01-188-4306, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cooper Wheelock, Inc.. Government technical data includes 9 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications
ParameterValue
NSN5945-01-188-4306
Primary Part Number502-2A-24
Item NameRelay,reed
FSC / FSG5945 / 59 — Relays and Solenoids
ManufacturerCooper Wheelock, Inc.
StatusACTIVE
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts250.0 DC
Main Contact Load Current Rating at Maximum Rated Voltage500.0 MILLIAMPERES DC RESISTIVE LOAD
Duty TypeCONTINUOUSCONTINUOUS
Coil Quantity11
Winding Quantity11
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Terminal Type and Quantity6 PIN ALL FUNCTIONS
Nonpile-Up Main Contact Arrangement2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
502-2A-24 Cooper Wheelock, Inc. (USA)
Reference documents
ReferenceMeaning
172042P3 3/2 Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 5945 — Relays and Solenoids
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5945-00-000-0093
5945-00-000-0093 · Item name not on file
5945-00-001-1891
5945-00-001-1891 · Item name not on file
5945-00-001-2622
PLATE,RELAY
5945-00-001-2795
RELAY,ELECTROMAGNETIC
5945-00-001-2806
RELAY,REED
5945-00-001-2938
5945-00-001-2938 · Item name not on file
5945-00-001-3015
RELAY ASSEMBLY
5945-00-001-3016
PROTECTOR,OVERLOAD

Frequently Asked Questions

What is NSN 5945-01-188-4306?

NSN 5945-01-188-4306 is a Relay,reed, manufactured by Cooper Wheelock, Inc., classified under FSC 5945, Relays and Solenoids. Status: active.

What part numbers are listed for NSN 5945-01-188-4306?

NSN 5945-01-188-4306 has 1 manufacturer part number on file: 502-2A-24 (Cooper Wheelock, Inc.).

What are the specifications of 502-2A-24?

Key specifications for 502-2A-24: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 0.464 INCHES MAXIMUM0.464 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 250.0 DC; Main Contact Load Current Rating at Maximum Rated Voltage: 500.0 MILLIAMPERES DC RESISTIVE LOAD. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5945-01-188-4306 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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