PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SK5291Relay,electromagnetic

Te Connectivity Corporation · NSN 5945-00-727-2865 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-727-2865 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-727-2865. Primary manufacturer part number: SK5291.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Pile-Up Main Contact Form Arrangement: 1B
  • Duty Type: CONTINUOUS
  • Terminal Type and Quantity: 4 PIN ALL FUNCTIONS
  • Winding Quantity: 1
  • Overall Diameter: 1.680 INCHES NOMINAL IN
  • Winding DC Resistance Rating: 6.5 KILOHMS NOMINAL SINGLE WINDING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-727-2865, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-727-2865
Primary Part NumberSK5291
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Coil Quantity1
Pile-Up Main Contact Form Arrangement1B
Duty TypeCONTINUOUS
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Winding Quantity1
Overall Diameter1.680 INCHES NOMINAL IN
Winding DC Resistance Rating6.5 KILOHMS NOMINAL SINGLE WINDING
Environmental ProtectionHERMETIC
Nominal Operating Current Rating and Type5.0 MILLIAMPERES DC SINGLE WINDING
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5996-00-055-89156401049 INTERCHANGEABLE
Amplifier Subassembly
International Business Machines Corporation Dba IBM
5945-00-249-586653-55 INTERCHANGEABLE
Relay,electromagnetic
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5315-00-415-233514077 INTERCHANGEABLE
Pin,straight,headed
Time Manufacturing Company Dba Time Manufacturing Company
4820-00-446-7663D14203G1 INTERCHANGEABLE
Piston,valve
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6105-00-548-133714077 INTERCHANGEABLE
Motor,alternating Current
Ward Leonard Ct Llc
3120-00-661-33713109062 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Engine and Components Sales Diversified Products Div
1680-00-885-091514077 INTERCHANGEABLE
Casing Assy,cable
Triumph Controls, Llc Dba Triumph Controls, Llc
5950-00-964-85623068407 INTERCHANGEABLE
Transformer,audio Frequency
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5996-00-978-1065 INTERCHANGEABLE
Amplifier Assembly
5330-01-643-078914077 INTERCHANGEABLE
Packing Assembly
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
14077 Cessna Aircraft Co Arc Avionics Div (USA)
SK5291 Te Connectivity Corporation (USA)
SK5291 PRIMARY Te Connectivity Corporation (USA)
SK5291 Cp Clare Corp North American Sales Operations (USA)
SK5291 Leach International Germany Gmbh (DEU)
Related Parts
5996-00-055-8915INTERCHANGEABLE
AMPLIFIER SUBASSEMBLY
6401049
5945-00-249-5866INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
53-55
5315-00-415-2335INTERCHANGEABLE
PIN,STRAIGHT,HEADED
14077
4820-00-446-7663INTERCHANGEABLE
PISTON,VALVE
D14203G1
6105-00-548-1337INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
14077
3120-00-661-3371INTERCHANGEABLE
BEARING,SLEEVE
3109062
1680-00-885-0915INTERCHANGEABLE
CASING ASSY,CABLE
14077
5950-00-964-8562INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
3068407
5996-00-978-1065INTERCHANGEABLE
AMPLIFIER ASSEMBLY
5330-01-643-0789INTERCHANGEABLE
PACKING ASSEMBLY
14077
1005-01-667-3410INTERCHANGEABLE
MAGAZINE,CARTRIDGE
14077

Frequently Asked Questions

What is NSN 5945-00-727-2865?

NSN 5945-00-727-2865 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 5945-00-727-2865?

NSN 5945-00-727-2865 has 5 cross-referenced part numbers: 14077 (Cessna Aircraft Co Arc Avionics Div), SK5291 (Te Connectivity Corporation), SK5291 (Te Connectivity Corporation), SK5291 (Cp Clare Corp North American Sales Operations), SK5291 (Leach International Germany Gmbh).

What NSN replaces 5945-00-727-2865?

There are 11 known substitutes for 5945-00-727-2865: 5996-00-055-8915, 5945-00-249-5866, 5315-00-415-2335 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SK5291?

Key specifications for SK5291: Overall Length: 2.870 INCHES NOMINAL IN; Coil Quantity: 1; Pile-Up Main Contact Form Arrangement: 1B; Duty Type: CONTINUOUS. 11 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