PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BR1S9KA1-1-0-2-0Relay,electromagnetic

Microsemi Corp.-Power Management Group · NSN 5945-00-886-8226 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-886-8226 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-886-8226. Primary manufacturer part number: BR1S9KA1-1-0-2-0.
Features
  • Relay,electromagnetic — FSC 5945
  • Overall Diameter: 0.750 INCHES NOMINAL IN
  • Winding Quantity: 1
  • Nominal Operating Current Rating and Type: 2.0 MILLIAMPERES DC SINGLE WINDING
  • Main Contact Load Current Rating at Maximum Rated Voltage: 4.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
  • Time Delay: 0.01 SECONDS NOMINAL FIXED OPERATE AND RELEASE TIME
  • Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-886-8226, 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 Microsemi Corp.-Power Management Group. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-886-8226
Primary Part NumberBR1S9KA1-1-0-2-0
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMicrosemi Corp.-Power Management Group
StatusCANCELLED
Overall Diameter0.750 INCHES NOMINAL IN
Winding Quantity1
Nominal Operating Current Rating and Type2.0 MILLIAMPERES DC SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage4.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Time Delay0.01 SECONDS NOMINAL FIXED OPERATE AND RELEASE TIME
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Rating in Volts110.0 AC AND 24.0 DC
Winding DC Resistance Rating9.0 KILOHMS NOMINAL SINGLE WINDING
Environmental ProtectionHERMETIC
Coil Quantity1
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5330-00-641-0994116867 INTERCHANGEABLE
Seal,plain Encased
Dresser, Llc
6515-01-576-9141212.112 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
BR1S9KA1-1-0-2-0 PRIMARY Microsemi Corp.-Power Management Group (USA)
R20S9KA1-1-0-2-0 Amf Inc Potter and Brumfield Div (USA)
1005-6 Microsemi Corp.-Power Management Group (USA)
212-112 Columbia Scientific Corp (USA)
Related Parts
5330-00-641-0994INTERCHANGEABLE
SEAL,PLAIN ENCASED
116867
6515-01-576-9141INTERCHANGEABLE
SCREW,BONE
212.112

Frequently Asked Questions

What is NSN 5945-00-886-8226?

NSN 5945-00-886-8226 is a Relay,electromagnetic, manufactured by Microsemi Corp.-Power Management Group, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-886-8226?

NSN 5945-00-886-8226 has 4 cross-referenced part numbers: BR1S9KA1-1-0-2-0 (Microsemi Corp.-Power Management Group), R20S9KA1-1-0-2-0 (Amf Inc Potter and Brumfield Div), 1005-6 (Microsemi Corp.-Power Management Group), 212-112 (Columbia Scientific Corp).

What NSN replaces 5945-00-886-8226?

There are 2 known substitutes for 5945-00-886-8226: 5330-00-641-0994, 6515-01-576-9141. Verify interchangeability with system specifications before substitution.

What are the specifications of BR1S9KA1-1-0-2-0?

Key specifications for BR1S9KA1-1-0-2-0: Overall Diameter: 0.750 INCHES NOMINAL IN; Winding Quantity: 1; Nominal Operating Current Rating and Type: 2.0 MILLIAMPERES DC SINGLE WINDING; Main Contact Load Current Rating at Maximum Rated Voltage: 4.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-886-8226 still in active supply?

NSN 5945-00-886-8226 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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