PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A8971Relay,electromagnetic

Olympic Controls Corp · NSN 5945-00-257-0308 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-257-0308 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-257-0308. Primary manufacturer part number: A8971.
Features
  • Relay,electromagnetic — FSC 5945
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Arc Quenching Method: INERT GAS
  • Winding DC Resistance Rating: 300.0 OHMS NOMINAL SINGLE WINDING
  • Nominal Operating Current Rating and Type: 80.0 MILLIAMPERES DC SINGLE WINDING
  • Main Contact Maximum Voltage Rating in Volts: 50.0 DC
  • Environmental Protection: HERMETIC
  • Winding Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-257-0308, 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 Olympic Controls Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5945-00-257-0308
Primary Part NumberA8971
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerOlympic Controls Corp
StatusACTIVE
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Arc Quenching MethodINERT GAS
Winding DC Resistance Rating300.0 OHMS NOMINAL SINGLE WINDING
Nominal Operating Current Rating and Type80.0 MILLIAMPERES DC SINGLE WINDING
Main Contact Maximum Voltage Rating in Volts50.0 DC
Environmental ProtectionHERMETIC
Winding Quantity1
Coil Quantity1
Duty TypeCONTINUOUS
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES DC RESISTIVE LOAD
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3040-00-073-2783101-0316 INTERCHANGEABLE
Plate,retaining,shaft
Cummins Power Generation Inc.
Cross-Reference Index
Part NumberManufacturer
A8971 PRIMARY Olympic Controls Corp (USA)
Related Parts
3040-00-073-2783INTERCHANGEABLE
PLATE,RETAINING,SHAFT
101-0316

Frequently Asked Questions

What is NSN 5945-00-257-0308?

NSN 5945-00-257-0308 is a Relay,electromagnetic, manufactured by Olympic Controls Corp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-257-0308?

NSN 5945-00-257-0308 has 1 cross-referenced part number: A8971 (Olympic Controls Corp).

What NSN replaces 5945-00-257-0308?

There is 1 known substitute for 5945-00-257-0308: 3040-00-073-2783. Verify interchangeability with system specifications before substitution.

What are the specifications of A8971?

Key specifications for A8971: Overall Length: 1.500 INCHES NOMINAL IN; Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Arc Quenching Method: INERT GAS; Winding DC Resistance Rating: 300.0 OHMS NOMINAL SINGLE WINDING. 14 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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