PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AF50Relay,electromagnetic

American Telephone and Telegraph Co · NSN 5945-00-894-2742 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-894-2742 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-894-2742. Primary manufacturer part number: AF50.
Features
  • Relay,electromagnetic — FSC 5945
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Winding DC Resistance Rating: 700.0 OHMS NOMINAL SINGLE WINDING
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.094 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Thread Class: 2B SINGLE MOUNTING FACILITY
  • Duty Type: CONTINUOUS
  • Terminal Type and Quantity: 12 PIN ALL FUNCTIONS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-894-2742, 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 American Telephone and Telegraph Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-894-2742
Primary Part NumberAF50
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAmerican Telephone and Telegraph Co
StatusCANCELLED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Winding DC Resistance Rating700.0 OHMS NOMINAL SINGLE WINDING
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length1.094 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Class2B SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Terminal Type and Quantity12 PIN ALL FUNCTIONS
Winding Quantity1
Pile-Up Main Contact Form Arrangement2A2C
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Coil Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES DC RESISTIVE LOAD
Nominal Operating Current Rating and Type20.0 MILLIAMPERES DC SINGLE WINDING
Main Contact Maximum Voltage Rating in Volts50.0 DC
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6115-00-730-5911 INTERCHANGEABLE
Generator Set,gasoline Engine
2940-00-860-9870CA240 INTERCHANGEABLE
Filter Element,intake Air Cleane
U S Dept of Transportation Federal Aviation Administration
3439-00-930-6023A38HD INTERCHANGEABLE
Holder,electrode,welding
Tweco Products Inc
Cross-Reference Index
Part NumberManufacturer
AF50 American Telephone and Telegraph Co (USA)
AF50RELAY American Telephone and Telegraph Co (USA)
AF50 Lucent Technologies Inc Corporate Headquarters (USA)
Related Parts
6115-00-730-5911INTERCHANGEABLE
GENERATOR SET,GASOLINE ENGINE
2940-00-860-9870INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
CA240
3439-00-930-6023INTERCHANGEABLE
HOLDER,ELECTRODE,WELDING
A38HD

Frequently Asked Questions

What is NSN 5945-00-894-2742?

NSN 5945-00-894-2742 is a Relay,electromagnetic, manufactured by American Telephone and Telegraph Co, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-894-2742?

NSN 5945-00-894-2742 has 3 cross-referenced part numbers: AF50 (American Telephone and Telegraph Co), AF50RELAY (American Telephone and Telegraph Co), AF50 (Lucent Technologies Inc Corporate Headquarters).

What NSN replaces 5945-00-894-2742?

There are 3 known substitutes for 5945-00-894-2742: 6115-00-730-5911, 2940-00-860-9870, 3439-00-930-6023. Verify interchangeability with system specifications before substitution.

What are the specifications of AF50?

Key specifications for AF50: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY; Overall Width: 1.870 INCHES NOMINAL IN; Overall Height: 1.460 INCHES NOMINAL IN; Overall Length: 4.650 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-894-2742 still in active supply?

NSN 5945-00-894-2742 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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