PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CUA-42-70003Relay,electromagnetic

Te Connectivity Corporation · NSN 5945-01-263-2806 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-263-2806 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-263-2806. Primary manufacturer part number: CUA-42-70003.
Features
  • Relay,electromagnetic — FSC 5945
  • Storage Type: GENERAL PURPOSE WAREHOUSE
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Arc Quenching Method: AIR
  • Mounting Facility Type and Quantity: 2 SLOTTED HOLE SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Material: PLASTIC CASE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Plastic Case construction
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-263-2806, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Te Connectivity Corporation. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-263-2806
Primary Part NumberCUA-42-70003
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Storage TypeGENERAL PURPOSE WAREHOUSE
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Arc Quenching MethodAIR
Mounting Facility Type and Quantity2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
MaterialPLASTIC CASE
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Coil Quantity1
Fragility FactorMODERATELY RUGGED
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Time Delay2.00 SECONDS NOMINAL FIXED OPERATE TIME
Purpose for Which DesignedGENERAL
Cubic Measure4.482 CUBIC INCHES
Winding Quantity1
Duty TypeCONTINUOUS
Mounting Slot Width0.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity8 WIRE HOOK ALL FUNCTIONS
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6685-00-063-0477 INTERCHANGEABLE
Thermometer,self-Indicating
5930-00-104-8571547456-3 INTERCHANGEABLE
Switch,thermostatic
Honeywell International, Inc Div Aerospace-Tucson
4720-00-105-2917 INTERCHANGEABLE
Hose,nonmetallic
5977-00-303-7963AE-158-6D INTERCHANGEABLE
Brush,motor
Hyster-Yale Group, Inc. Dba Yale Materials Handling
5998-00-421-653121439 INTERCHANGEABLE
Circuit Card Assembly
Rex Systems Incorporated Dba Rex Systems Inc
1680-00-485-428921439 INTERCHANGEABLE
Adapter,valve,co2
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5950-00-787-2750875B703 INTERCHANGEABLE
Transformer,power
Dyna-Empire Inc
5360-01-351-120721439 INTERCHANGEABLE
Spring,helical,compression
Parker Hannifin Corporation Div Hydraulic Systems Division
9925-01-463-9452341-98 INTERCHANGEABLE
Kiddush Cup
Defense Logistics Agency Troop Support Clothing and Textiles Directorate Attn Fqsa
2935-01-601-182321439 INTERCHANGEABLE
Cooler,lubricating Oil,engine
J and K Electronics
Cross-Reference Index
Part NumberManufacturer
21439 Clayton Manufacturing Company (USA)
34198 Clayton Manufacturing Company (USA)
TIR-115A-2-2 Syracuse Electronics Corp (USA)
CUA-42-70003 PRIMARY Te Connectivity Corporation (USA)
Related Parts
6685-00-063-0477INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
5930-00-104-8571INTERCHANGEABLE
SWITCH,THERMOSTATIC
547456-3
4720-00-105-2917INTERCHANGEABLE
HOSE,NONMETALLIC
5977-00-303-7963INTERCHANGEABLE
BRUSH,MOTOR
AE-158-6D
5998-00-421-6531INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21439
1680-00-485-4289INTERCHANGEABLE
ADAPTER,VALVE,CO2
21439
5950-00-787-2750INTERCHANGEABLE
TRANSFORMER,POWER
875B703
5360-01-351-1207INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21439
9925-01-463-9452INTERCHANGEABLE
KIDDUSH CUP
341-98
2935-01-601-1823INTERCHANGEABLE
COOLER,LUBRICATING OIL,ENGINE
21439

Frequently Asked Questions

What is NSN 5945-01-263-2806?

NSN 5945-01-263-2806 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-263-2806?

NSN 5945-01-263-2806 has 4 cross-referenced part numbers: 21439 (Clayton Manufacturing Company), 34198 (Clayton Manufacturing Company), TIR-115A-2-2 (Syracuse Electronics Corp), CUA-42-70003 (Te Connectivity Corporation).

What NSN replaces 5945-01-263-2806?

There are 10 known substitutes for 5945-01-263-2806: 6685-00-063-0477, 5930-00-104-8571, 4720-00-105-2917 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CUA-42-70003?

Key specifications for CUA-42-70003: Overall Height: 2.125 INCHES MAXIMUM IN; Storage Type: GENERAL PURPOSE WAREHOUSE; Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Arc Quenching Method: AIR. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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