PartsTable TECHNICAL DATA SHEET
NSN 5945-00-259-5559Government record, cited

Relay, Electromagnetic5945-00-259-5559

NSN 5945-00-259-5559 · NIIN 002595559 · Part number RX1262
Cooper Wheelock, Inc. · FSC 5945 — Relays and Solenoids · FSG 59 — Electrical and Electronic Equipment Components · CAGE 02116
Government record, cited
NSN 5945-00-259-5559 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-259-5559. Manufacturer of record part number: RX1262.
Also searched as  5945-00-259-5559 · 5945002595559 · NIIN 002595559 · 00-259-5559 · FSC 5945 Relays and Solenoids · CAGE 02116 · RX1262 · 2120178-2
Nearby stock numbers  ·
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 3 THREADED STUD(S) SINGLE MOUNTING FACILITY
  • Pile-Up Main Contact Form Arrangement: 2A1B1C
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC
  • Mounting Facility Pattern: TRIANGLE SINGLE MOUNTING FACILITY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC RESISTIVE LOAD
  • Duty Type: CONTINUOUS
  • Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Identification
  • NSN: 5945-00-259-5559
  • NIIN: 002595559
  • FSC: 5945 — Relays and Solenoids
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: RX1262
  • Manufacturer: Cooper Wheelock, Inc.
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-259-5559, 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 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-259-5559
Primary Part NumberRX1262
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — Relays and Solenoids
ManufacturerCooper Wheelock, Inc.
StatusACTIVE
Mounting Facility Type and Quantity3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Pile-Up Main Contact Form Arrangement2A1B1C
Main Contact Maximum Voltage Rating in Volts115.0 AC
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC RESISTIVE LOAD
Duty TypeCONTINUOUS
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Frequency in Hertz45.0 MINIMUM AND 60.0 MAXIMUM
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Coil Quantity1
Winding Quantity1
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Thread Class2A SINGLE MOUNTING FACILITY A
Terminal Type and Quantity11 PIN ALL FUNCTIONS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
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
2120178-2 L3harris Technologies, Inc. (USA)
RX1262 PRIMARY Cooper Wheelock, Inc. (USA)
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 5945-00-259-5559?

NSN 5945-00-259-5559 is a Relay,electromagnetic, manufactured by Cooper Wheelock, Inc., classified under FSC 5945, Relays and Solenoids. Status: active.

What part numbers are listed for NSN 5945-00-259-5559?

NSN 5945-00-259-5559 has 2 manufacturer part numbers on file: 2120178-2 (L3harris Technologies, Inc.), RX1262 (Cooper Wheelock, Inc.).

What are the specifications of RX1262?

Key specifications for RX1262: Mounting Facility Type and Quantity: 3 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 1.960 INCHES NOMINAL IN; Pile-Up Main Contact Form Arrangement: 2A1B1C; Main Contact Maximum Voltage Rating in Volts: 115.0 AC. 15 specifications are documented in the U.S. Government catalog.

Is NSN 5945-00-259-5559 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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