PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RA18TYPECRelay,electromagnetic

Gte Communication Systems Corp · NSN 5945-00-237-1791 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-237-1791 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-237-1791. Primary manufacturer part number: RA18TYPEC.
Features
  • Relay,electromagnetic — FSC 5945
  • Terminal Type and Quantity: 5 PIN ALL FUNCTIONS
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Coil Quantity: 1
  • Nominal Thread Size: 0.164 INCHES SINGLE MOUNTING FACILITY IN
  • Thread Class: 2B SINGLE MOUNTING FACILITY
  • Winding Quantity: 1
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-237-1791, 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 Gte Communication Systems Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-237-1791
Primary Part NumberRA18TYPEC
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerGte Communication Systems Corp
StatusACTIVE
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Coil Quantity1
Nominal Thread Size0.164 INCHES SINGLE MOUNTING FACILITY IN
Thread Class2B SINGLE MOUNTING FACILITY
Winding Quantity1
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Nominal Operating Current Rating and Type5.0 MILLIAMPERES DC SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC RESISTIVE LOAD
Environmental ProtectionDUSTPROOF
Main Contact Maximum Voltage Rating in Volts115.0 AC
Winding DC Resistance Rating1.8 KILOHMS NOMINAL SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-125-26472404-8 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Air-Way Manufacturing Company
5325-00-522-8878 INTERCHANGEABLE
Ring,retaining
5330-00-852-513224048 INTERCHANGEABLE
Gasket
Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc
3020-01-093-0186CB27381-001 INTERCHANGEABLE
End Cap,actuator
Moog Inc. Dba Ampac-Isp Corp
4320-01-146-4219WF2-4048 INTERCHANGEABLE
Cylinder Sleeve
Malabar
6110-01-211-653324048 INTERCHANGEABLE
Starter,motor
Ward Leonard Ct Llc
6530-01-219-2220 INTERCHANGEABLE
Wrapper,sterilization
4720-01-253-340824048 INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
4730-01-286-9229 INTERCHANGEABLE
Seal Nut,pipe
7510-01-344-3630 INTERCHANGEABLE
Pencil
Cross-Reference Index
Part NumberManufacturer
RA18TYPEC Gte Communication Systems Corp (USA)
24-048 Espey Mfg and Electronics Corp (USA)
Related Parts
4730-00-125-2647INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
2404-8
5325-00-522-8878INTERCHANGEABLE
RING,RETAINING
5330-00-852-5132INTERCHANGEABLE
GASKET
24048
3020-01-093-0186INTERCHANGEABLE
END CAP,ACTUATOR
CB27381-001
4320-01-146-4219INTERCHANGEABLE
CYLINDER SLEEVE
WF2-4048
6110-01-211-6533INTERCHANGEABLE
STARTER,MOTOR
24048
6530-01-219-2220INTERCHANGEABLE
WRAPPER,STERILIZATION
4720-01-253-3408INTERCHANGEABLE
HOSE,NONMETALLIC
24048
4730-01-286-9229INTERCHANGEABLE
SEAL NUT,PIPE
7510-01-344-3630INTERCHANGEABLE
PENCIL
6240-01-344-9513INTERCHANGEABLE
LAMP,FLUORESCENT
FB40/W/6/SS
6515-01-505-1950INTERCHANGEABLE
PLATE,BONE,TIBIAL
240.48

Frequently Asked Questions

What is NSN 5945-00-237-1791?

NSN 5945-00-237-1791 is a Relay,electromagnetic, manufactured by Gte Communication Systems Corp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-237-1791?

NSN 5945-00-237-1791 has 2 cross-referenced part numbers: RA18TYPEC (Gte Communication Systems Corp), 24-048 (Espey Mfg and Electronics Corp).

What NSN replaces 5945-00-237-1791?

There are 12 known substitutes for 5945-00-237-1791: 4730-00-125-2647, 5325-00-522-8878, 5330-00-852-5132 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RA18TYPEC?

Key specifications for RA18TYPEC: Terminal Type and Quantity: 5 PIN ALL FUNCTIONS; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY; Coil Quantity: 1; Overall Length: 4.000 INCHES NOMINAL IN. 19 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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