PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BA811-2490Relay,electromagnetic

Crl Components Inc · NSN 5945-00-502-6375 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-502-6375 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-502-6375. Primary manufacturer part number: BA811-2490.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Terminal Type and Quantity: 8 PIN ALL FUNCTIONS
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES DC RESISTIVE LOAD
  • Thread Class: 2B SINGLE MOUNTING FACILITY
  • Operating Voltage Rating and Type at Specified Temp: 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Winding Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-502-6375, 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 Crl Components Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5945-00-502-6375
Primary Part NumberBA811-2490
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerCrl Components Inc
StatusACTIVE
Coil Quantity1
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES DC RESISTIVE LOAD
Thread Class2B SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Winding Quantity1
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Nominal Operating Current Rating and Type50.0 MILLIAMPERES DC SINGLE WINDING
Pile-Up Main Contact Form Arrangement2A A
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts28.0 DC
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Winding DC Resistance Rating250.0 OHMS NOMINAL SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length0.844 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3030-00-068-7201 INTERCHANGEABLE
Belt,v
Cross-Reference Index
Part NumberManufacturer
BA811-2490 Crl Components Inc (USA)
400-760 Northern Telecom Inc Telecom Distribution Div (USA)
Related Parts
3030-00-068-7201INTERCHANGEABLE
BELT,V

Frequently Asked Questions

What is NSN 5945-00-502-6375?

NSN 5945-00-502-6375 is a Relay,electromagnetic, manufactured by Crl Components Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-502-6375?

NSN 5945-00-502-6375 has 2 cross-referenced part numbers: BA811-2490 (Crl Components Inc), 400-760 (Northern Telecom Inc Telecom Distribution Div).

What NSN replaces 5945-00-502-6375?

There is 1 known substitute for 5945-00-502-6375: 3030-00-068-7201. Verify interchangeability with system specifications before substitution.

What are the specifications of BA811-2490?

Key specifications for BA811-2490: Coil Quantity: 1; Terminal Type and Quantity: 8 PIN ALL FUNCTIONS; Overall Width: 0.840 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY. 19 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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