PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A909-5Relay,electromagnetic

Logitek Inc · NSN 5945-00-357-9662 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-357-9662 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-357-9662. Primary manufacturer part number: A909-5.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Operating Voltage Rating and Type at Specified Temp: 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Time Delay: 1.00 SECONDS NOMINAL FIXED OPERATE TIME
  • Main Contact Load Current Rating at Maximum Rated Voltage: 5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 20.0 DC
  • Unthreaded Mounting Hole Diameter: 0.169 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-357-9662, 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 Logitek Inc. Government technical data includes 17 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-357-9662
Primary Part NumberA909-5
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerLogitek Inc
StatusACTIVE
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Time Delay1.00 SECONDS NOMINAL FIXED OPERATE TIME
Main Contact Load Current Rating at Maximum Rated Voltage5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 20.0 DC
Unthreaded Mounting Hole Diameter0.169 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Environmental ProtectionHERMETIC
Time Delay10.00 SECONDS NOMINAL FIXED RELEASE TIME
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Width2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Cubic Measure20.600 CUBIC INCHES
Terminal Type and Quantity1 CONNECTOR, RECEPTACLE ALL FUNCTIONS
Coil Quantity1
Winding Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Length2.925 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6240-00-809-8510 INTERCHANGEABLE
Lamp,incandescent
5961-01-177-04259-3273 INTERCHANGEABLE
Semiconductor Device,thyristor
Thermal Dynamics Corp
Cross-Reference Index
Part NumberManufacturer
128SCAV374-5 Northrop Grumman Systems Corporation (USA)
128SCAV374-5 Northrop Grumman Systems Corporation (USA)
93273 Tempo Instrument Inc Defense Electronics Div (USA)
93273 B.c. Systems Inc. Dba Bc Systems Inc (USA)
A909-5 PRIMARY Logitek Inc (USA)
Related Parts
6240-00-809-8510INTERCHANGEABLE
LAMP,INCANDESCENT
5961-01-177-0425INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
9-3273

Frequently Asked Questions

What is NSN 5945-00-357-9662?

NSN 5945-00-357-9662 is a Relay,electromagnetic, manufactured by Logitek Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-357-9662?

NSN 5945-00-357-9662 has 5 cross-referenced part numbers: 128SCAV374-5 (Northrop Grumman Systems Corporation), 128SCAV374-5 (Northrop Grumman Systems Corporation), 93273 (Tempo Instrument Inc Defense Electronics Div), 93273 (B.c. Systems Inc. Dba Bc Systems Inc), A909-5 (Logitek Inc).

What NSN replaces 5945-00-357-9662?

There are 2 known substitutes for 5945-00-357-9662: 6240-00-809-8510, 5961-01-177-0425. Verify interchangeability with system specifications before substitution.

What are the specifications of A909-5?

Key specifications for A909-5: Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY; Operating Voltage Rating and Type at Specified Temp: 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Time Delay: 1.00 SECONDS NOMINAL FIXED OPERATE TIME. 20 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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