PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1120281Relay,rotary

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5945-00-954-3144 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-954-3144 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-954-3144. Primary manufacturer part number: 1120281.
Features
  • Relay,rotary — FSC 5945
  • Contact Maximum Rated Current: 5.0 AMPERES NOMINAL
  • Contact Current Rating at Maximum Rated Voltage: 500.0 MILLIAMPERES RESISTIVE
  • Operating Current Rating: 1.4 AMPERES NOMINAL
  • AC Operating Voltage Rating in Volts: 115.0 MAXIMUM
  • Coil Winding Quantity: 2
  • Coil DC Resistance: 24.0 OHMS NOMINAL
  • Section Quantity: 2
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,rotary, cataloged under National Stock Number 5945-00-954-3144, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5945-00-954-3144
Primary Part Number1120281
Item NameRelay,rotary
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Contact Maximum Rated Current5.0 AMPERES NOMINAL
Contact Current Rating at Maximum Rated Voltage500.0 MILLIAMPERES RESISTIVE
Operating Current Rating1.4 AMPERES NOMINAL
AC Operating Voltage Rating in Volts115.0 MAXIMUM
Coil Winding Quantity2
Coil DC Resistance24.0 OHMS NOMINAL
Section Quantity2
Hold-in Current380.0 MILLIAMPERES NOMINAL
Winding CharacteristicSINGLE WOUND UNTAPPED
Mounting ConfigurationFOUR 0.281 IN. DIA MTG HOLES ON 3.250 IN. BY 3.250 IN. MTG CENTERS IN
Contact Maximum Voltage Rating in Volts125.0
Environmental ProtectionDUSTPROOF
Structural DesignSECTIONAL
Contact Voltage Rating at Maximum Rated Current115.0
Contact Current TypeAC
Coil Terminal Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5120-00-758-6653 INTERCHANGEABLE
Extractor,circuit Card
Cross-Reference Index
Part NumberManufacturer
1704264-6 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MDR4007 Te Connectivity Corporation (USA)
1120281 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5120-00-758-6653INTERCHANGEABLE
EXTRACTOR,CIRCUIT CARD

Frequently Asked Questions

What is NSN 5945-00-954-3144?

NSN 5945-00-954-3144 is a Relay,rotary, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-954-3144?

NSN 5945-00-954-3144 has 3 cross-referenced part numbers: 1704264-6 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MDR4007 (Te Connectivity Corporation), 1120281 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5945-00-954-3144?

There is 1 known substitute for 5945-00-954-3144: 5120-00-758-6653. Verify interchangeability with system specifications before substitution.

What are the specifications of 1120281?

Key specifications for 1120281: Contact Maximum Rated Current: 5.0 AMPERES NOMINAL; Contact Current Rating at Maximum Rated Voltage: 500.0 MILLIAMPERES RESISTIVE; Operating Current Rating: 1.4 AMPERES NOMINAL; AC Operating Voltage Rating in Volts: 115.0 MAXIMUM. 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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