PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2516851-1Relay,electromagnetic

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5945-00-781-8743 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-781-8743 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-781-8743. Primary manufacturer part number: 2516851-1.
Features
  • Relay,electromagnetic — FSC 5945
  • Duty Type: CONTINUOUS
  • Winding Quantity: 1
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Time Delay: 0.008 SECONDS MAXIMUM FIXED OPERATE TIME
  • Coil Quantity: 1
  • Main Contact Load Current Rating at Maximum Rated Voltage: 1.5 AMPERES DC RESISTIVE LOAD
  • Unthreaded Mounting Hole Diameter: 0.120 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 5945-00-781-8743, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-781-8743
Primary Part Number2516851-1
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Duty TypeCONTINUOUS
Winding Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Length1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Time Delay0.008 SECONDS MAXIMUM FIXED OPERATE TIME
Coil Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage1.5 AMPERES DC RESISTIVE LOAD
Unthreaded Mounting Hole Diameter0.120 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Winding DC Resistance Rating5.0 KILOHMS NOMINAL SINGLE WINDING
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Environmental ProtectionHERMETIC
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Time Delay0.006 SECONDS MAXIMUM FIXED RELEASE TIME
Main Contact Maximum Voltage Rating in Volts30.0 DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6530-01-555-78387000053695 INTERCHANGEABLE
Log Book,indicator,sterilization
Solventum Us Llc
Cross-Reference Index
Part NumberManufacturer
2R10A465H Couch S H Co (USA)
2516851-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
M1266 Dri Relays Inc. Dba Dri Relays Inc (USA)
2R-M1266 Dri Relays Inc. Dba Dri Relays Inc (USA)
28A4610 Hi-G Co Inc Sub of Nytronics Inc (USA)
2BA4610 Hi-G Co Inc Sub of Nytronics Inc (USA)
2BA-4610-1 Hi-G Co Inc Sub of Nytronics Inc (USA)
Related Parts
6530-01-555-7838INTERCHANGEABLE
LOG BOOK,INDICATOR,STERILIZATION
7000053695

Frequently Asked Questions

What is NSN 5945-00-781-8743?

NSN 5945-00-781-8743 is a Relay,electromagnetic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-781-8743?

NSN 5945-00-781-8743 has 7 cross-referenced part numbers: 2R10A465H (Couch S H Co), 2516851-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), M1266 (Dri Relays Inc. Dba Dri Relays Inc), 2R-M1266 (Dri Relays Inc. Dba Dri Relays Inc), 28A4610 (Hi-G Co Inc Sub of Nytronics Inc) and 2 more.

What NSN replaces 5945-00-781-8743?

There is 1 known substitute for 5945-00-781-8743: 6530-01-555-7838. Verify interchangeability with system specifications before substitution.

What are the specifications of 2516851-1?

Key specifications for 2516851-1: Duty Type: CONTINUOUS; Winding Quantity: 1; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Time Delay: 0.008 SECONDS MAXIMUM FIXED OPERATE TIME. 18 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