PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A61691Relay,electromagnetic

Te Connectivity Corporation · NSN 5945-00-255-6783 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-255-6783 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-255-6783. Primary manufacturer part number: A61691.
Features
  • Relay,electromagnetic — FSC 5945
  • Winding DC Resistance Rating: 24.0 OHMS NOMINAL SINGLE WINDING
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Coil Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-255-6783, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-255-6783
Primary Part NumberA61691
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Winding DC Resistance Rating24.0 OHMS NOMINAL SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Coil Quantity1
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Nominal Operating Current Rating and Type100.0 MILLIAMPERES DC SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC RESISTIVE LOAD
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Winding Quantity1
Main Contact Maximum Voltage Rating in Volts300.0 AC
Thread Class2B SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5930-00-240-3690152994 INTERCHANGEABLE
Switch,toggle
Telemechanics Inc
3030-00-289-7509 INTERCHANGEABLE
Belt,flat
2810-00-628-0828AEC24047 INTERCHANGEABLE
Guide,e,haust Valve
Electro-Coatings Inc
5945-00-739-444124047 INTERCHANGEABLE
Relay,electromagnetic
Cole Hersee Company
3040-01-067-3856520252 INTERCHANGEABLE
Lever,manual Control
Level 10 Industries, Inc. Div Level 10 Industries
3020-01-093-018424047 INTERCHANGEABLE
Cap,bearing,actuato
Moog Inc. Dba Ampac-Isp Corp
6240-01-344-9512FB40/WW/6/SS INTERCHANGEABLE
Lamp,fluorescent
Gte Products Corp Sylvania Miniature Lighting Div
5120-01-430-6709818 INTERCHANGEABLE
Awl,scratch
General Tools Manufacturing Co., Llc.
6515-01-502-1010240.47 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
A61691 Te Connectivity Corporation (USA)
24-047 Cp Clare Corp North American Sales Operations (USA)
24-047 Te Connectivity Corporation (USA)
A61691 PRIMARY Te Connectivity Corporation (USA)
24-047 Te Connectivity Corporation (USA)
A61691 Cp Clare Corp North American Sales Operations (USA)
Related Parts
5930-00-240-3690INTERCHANGEABLE
SWITCH,TOGGLE
152994
3030-00-289-7509INTERCHANGEABLE
BELT,FLAT
2810-00-628-0828INTERCHANGEABLE
GUIDE,E,HAUST VALVE
AEC24047
5945-00-739-4441INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
24047
3040-01-067-3856INTERCHANGEABLE
LEVER,MANUAL CONTROL
520252
3020-01-093-0184INTERCHANGEABLE
CAP,BEARING,ACTUATO
24047
6240-01-344-9512INTERCHANGEABLE
LAMP,FLUORESCENT
FB40/WW/6/SS
5120-01-430-6709INTERCHANGEABLE
AWL,SCRATCH
818
6515-01-502-1010INTERCHANGEABLE
BONE PLATE
240.47

Frequently Asked Questions

What is NSN 5945-00-255-6783?

NSN 5945-00-255-6783 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 5945-00-255-6783?

NSN 5945-00-255-6783 has 6 cross-referenced part numbers: A61691 (Te Connectivity Corporation), 24-047 (Cp Clare Corp North American Sales Operations), 24-047 (Te Connectivity Corporation), A61691 (Te Connectivity Corporation), 24-047 (Te Connectivity Corporation) and 1 more.

What NSN replaces 5945-00-255-6783?

There are 9 known substitutes for 5945-00-255-6783: 5930-00-240-3690, 3030-00-289-7509, 2810-00-628-0828 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A61691?

Key specifications for A61691: Overall Width: 1.000 INCHES NOMINAL IN; Winding DC Resistance Rating: 24.0 OHMS NOMINAL SINGLE WINDING; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN. 18 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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