PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

827181Relay,electromagnetic

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5945-00-660-9738 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-660-9738 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-660-9738. Primary manufacturer part number: 827181.
Features
  • Relay,electromagnetic — FSC 5945
  • Terminal Type and Quantity: 5 PIN ALL FUNCTIONS
  • Thread Quantity Per Inch: 32 SINGLE MOUNTING FACILITY
  • Nominal Operating Current Rating and Type: 1.0 MILLIAMPERES DC SINGLE WINDING
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
  • Winding Quantity: 1
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-660-9738, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-660-9738
Primary Part Number827181
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Nominal Operating Current Rating and Type1.0 MILLIAMPERES DC SINGLE WINDING
Thread Class2A SINGLE MOUNTING FACILITY A
Winding Quantity1
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Pile-Up Main Contact Form Arrangement1C
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 27.0 DC
Duty TypeCONTINUOUS
Mounting Facility Type and Quantity2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Winding DC Resistance Rating16.0 KILOHMS NOMINAL SINGLE WINDING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Environmental ProtectionHERMETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-00-276-9029 INTERCHANGEABLE
Valve,stop-Check
5365-01-049-268276731 INTERCHANGEABLE
Spacer,sleeve
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
5RJ-76731-1 Te Connectivity Corporation (USA)
76731 Sigma Instruments Inc (USA)
827181 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
5RJ-76731 Sigma Instruments Inc (USA)
5RJ-76731-1 Te Connectivity Corporation (USA)
5RJ-76731-1 Sigma Instruments Inc (USA)
5S-1156 Omntec Manufacturing Inc (USA)
Related Parts
4820-00-276-9029INTERCHANGEABLE
VALVE,STOP-CHECK
5365-01-049-2682INTERCHANGEABLE
SPACER,SLEEVE
76731

Frequently Asked Questions

What is NSN 5945-00-660-9738?

NSN 5945-00-660-9738 is a Relay,electromagnetic, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-660-9738?

NSN 5945-00-660-9738 has 7 cross-referenced part numbers: 5RJ-76731-1 (Te Connectivity Corporation), 76731 (Sigma Instruments Inc), 827181 (Lockheed Martin Corporation Div Rms - Mitchel Field), 5RJ-76731 (Sigma Instruments Inc), 5RJ-76731-1 (Te Connectivity Corporation) and 2 more.

What NSN replaces 5945-00-660-9738?

There are 2 known substitutes for 5945-00-660-9738: 4820-00-276-9029, 5365-01-049-2682. Verify interchangeability with system specifications before substitution.

What are the specifications of 827181?

Key specifications for 827181: Terminal Type and Quantity: 5 PIN ALL FUNCTIONS; Thread Quantity Per Inch: 32 SINGLE MOUNTING FACILITY; Nominal Operating Current Rating and Type: 1.0 MILLIAMPERES DC SINGLE WINDING; Thread Class: 2A SINGLE MOUNTING FACILITY A. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com