PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1277275Relay,electromagnetic

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5945-00-651-1654 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-651-1654 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-651-1654. Primary manufacturer part number: 1277275.
Features
  • Relay,electromagnetic — FSC 5945
  • Time Delay: 3.00 SECONDS NOMINAL FIXED RELEASE TIME
  • Terminal Type and Quantity: 8 PIN ALL FUNCTIONS
  • Operating Voltage Rating and Type at Specified Temp: 50.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle: 1.187 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 5945-00-651-1654, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-651-1654
Primary Part Number1277275
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Time Delay3.00 SECONDS NOMINAL FIXED RELEASE TIME
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Operating Voltage Rating and Type at Specified Temp50.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Coil Quantity1
Environmental ProtectionDUSTPROOF
Main Contact Load Current Rating at Maximum Rated Voltage5.0 AMPERES AC AND 4.0 AMPERES DC RESISTIVE LOAD
Winding Quantity1
Main Contact Maximum Voltage Rating in Volts250.0 AC AND 30.0 DC
Thread Class2A SINGLE MOUNTING FACILITY A
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5945-00-258-3274 INTERCHANGEABLE
Relay,motor Driven
6210-00-451-1183 INTERCHANGEABLE
Lens,light
6645-00-488-4432 INTERCHANGEABLE
Timer,interval
5330-00-983-632958513 INTERCHANGEABLE
Gasket
John Deer Consumer Products Inc
4510-01-072-0757 INTERCHANGEABLE
Flange,water Closet
5977-01-123-0281 INTERCHANGEABLE
Holder,electrical Contact Brush
5330-01-464-173258513 INTERCHANGEABLE
Gasket
Howden American Fan Company Dba American Fan Co Div Howden Usa Company
Cross-Reference Index
Part NumberManufacturer
1277275 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
TD6HP50VDC3SEC Community Empowerment Partnership Organization (USA)
58-513 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5945-00-258-3274INTERCHANGEABLE
RELAY,MOTOR DRIVEN
6210-00-451-1183INTERCHANGEABLE
LENS,LIGHT
6645-00-488-4432INTERCHANGEABLE
TIMER,INTERVAL
5330-00-983-6329INTERCHANGEABLE
GASKET
58513
4510-01-072-0757INTERCHANGEABLE
FLANGE,WATER CLOSET
5977-01-123-0281INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
5330-01-464-1732INTERCHANGEABLE
GASKET
58513

Frequently Asked Questions

What is NSN 5945-00-651-1654?

NSN 5945-00-651-1654 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 5945-00-651-1654?

NSN 5945-00-651-1654 has 3 cross-referenced part numbers: 1277275 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), TD6HP50VDC3SEC (Community Empowerment Partnership Organization), 58-513 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5945-00-651-1654?

There are 7 known substitutes for 5945-00-651-1654: 5945-00-258-3274, 6210-00-451-1183, 6645-00-488-4432 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1277275?

Key specifications for 1277275: Overall Length: 3.063 INCHES MAXIMUM IN; Time Delay: 3.00 SECONDS NOMINAL FIXED RELEASE TIME; Terminal Type and Quantity: 8 PIN ALL FUNCTIONS; Operating Voltage Rating and Type at Specified Temp: 50.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING. 20 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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