PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

310109Relay,electromagnetic

Astronics Test Systems Inc · NSN 5945-01-027-1816 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-027-1816 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-027-1816. Primary manufacturer part number: 310109.
Features
  • Relay,electromagnetic — FSC 5945
  • Terminal Type and Quantity: 8 PIN ALL FUNCTIONS
  • Winding DC Resistance Rating: 160.0 OHMS NOMINAL SINGLE WINDING
  • Duty Type: CONTINUOUS
  • Time Delay: 0.02 SECONDS MAXIMUM FIXED OPERATE TIME
  • Operating Voltage Rating and Type at Specified Temp: 5.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Mounting Facility Type and Quantity: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-027-1816, 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 Astronics Test Systems Inc. Government technical data includes 13 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-027-1816
Primary Part Number310109
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAstronics Test Systems Inc
StatusACTIVE
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Winding DC Resistance Rating160.0 OHMS NOMINAL SINGLE WINDING
Duty TypeCONTINUOUS
Time Delay0.02 SECONDS MAXIMUM FIXED OPERATE TIME
Operating Voltage Rating and Type at Specified Temp5.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility Type and Quantity1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Winding Quantity1
Coil Quantity1
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Thread Class2A SINGLE MOUNTING FACILITY A
Nominal Thread Size0.099 INCHES SINGLE MOUNTING FACILITY IN
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5342-01-247-84471546G00AL INTERCHANGEABLE
Hinge
Larsen & Shaw Limited
5355-01-292-4683310109 INTERCHANGEABLE
Knob
Eaton Corporation Dba Airflex Div Div Airflex
5310-01-345-094731-0109 INTERCHANGEABLE
Nut,plain,assembled Washer
Sea-Tech Systems, Inc. Dba Sea Tech Systems
Cross-Reference Index
Part NumberManufacturer
R10-E2515-1 Amf Inc Potter and Brumfield Div (USA)
310109 PRIMARY Astronics Test Systems Inc (USA)
Related Parts
5342-01-247-8447INTERCHANGEABLE
HINGE
1546G00AL
5355-01-292-4683INTERCHANGEABLE
KNOB
310109
5310-01-345-0947INTERCHANGEABLE
NUT,PLAIN,ASSEMBLED WASHER
31-0109

Frequently Asked Questions

What is NSN 5945-01-027-1816?

NSN 5945-01-027-1816 is a Relay,electromagnetic, manufactured by Astronics Test Systems Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-027-1816?

NSN 5945-01-027-1816 has 2 cross-referenced part numbers: R10-E2515-1 (Amf Inc Potter and Brumfield Div), 310109 (Astronics Test Systems Inc).

What NSN replaces 5945-01-027-1816?

There are 3 known substitutes for 5945-01-027-1816: 5342-01-247-8447, 5355-01-292-4683, 5310-01-345-0947. Verify interchangeability with system specifications before substitution.

What are the specifications of 310109?

Key specifications for 310109: Terminal Type and Quantity: 8 PIN ALL FUNCTIONS; Winding DC Resistance Rating: 160.0 OHMS NOMINAL SINGLE WINDING; Duty Type: CONTINUOUS; Time Delay: 0.02 SECONDS MAXIMUM FIXED OPERATE TIME. 16 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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