PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2938970-1Relay,electromagnetic

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5945-01-121-7828 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-121-7828 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-121-7828. Primary manufacturer part number: 2938970-1.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Environmental Protection: HERMETIC AND SHOCK RESISTANT AND VIBRATION RESISTANT
  • Operating Voltage Rating and Type at Specified Temp: 154.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
  • Unthreaded Mounting Hole Diameter: 0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Main Contact Load Current Rating at Maximum Rated Voltage: 5.0 AMPERES DC RESISTIVE LOAD
  • Center to Center Distance Between Mounting Facilities Parallel to Height: 2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Coil Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-121-7828, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-121-7828
Primary Part Number2938970-1
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC AND SHOCK RESISTANT AND VIBRATION RESISTANT
Operating Voltage Rating and Type at Specified Temp154.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Unthreaded Mounting Hole Diameter0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage5.0 AMPERES DC RESISTIVE LOAD
Center to Center Distance Between Mounting Facilities Parallel to Height2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Winding Quantity1
Duty TypeCONTINUOUS
Center to Center Distance Between Mounting Facilities Parallel to Length2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity6 WIRE HOOK ALL FUNCTIONS
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Criticality Code JustificationFEAT
Frequency in Hertz320.0 NOMINAL AND 480.0 MAXIMUM
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-088-9746 INTERCHANGEABLE
Ball,bearing
5910-00-593-497620035 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Caywood Electronics Inc Dba James Millen Electronics
4820-01-306-9260101097 INTERCHANGEABLE
Valve,safety Relief
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
7490-01-501-85432350 SMC INTERCHANGEABLE
Shredding Machine,paper
Whitaker Brothers Business Machines, Inc.
5985-01-589-35404984863-1 INTERCHANGEABLE
Waveguide Subassembly,filter to
Raytheon Company Dba Raytheon
4820-01-618-3694101097 INTERCHANGEABLE
Valve,ball
Discover Industries Inc. Dba Discover Valve
Cross-Reference Index
Part NumberManufacturer
2938970-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
101097 Parko Electronics Company Inc (USA)
Related Parts
3110-00-088-9746INTERCHANGEABLE
BALL,BEARING
5910-00-593-4976INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
20035
4820-01-306-9260INTERCHANGEABLE
VALVE,SAFETY RELIEF
101097
7490-01-501-8543INTERCHANGEABLE
SHREDDING MACHINE,PAPER
2350 SMC
5985-01-589-3540INTERCHANGEABLE
WAVEGUIDE SUBASSEMBLY,FILTER TO
4984863-1
4820-01-618-3694INTERCHANGEABLE
VALVE,BALL
101097

Frequently Asked Questions

What is NSN 5945-01-121-7828?

NSN 5945-01-121-7828 is a Relay,electromagnetic, 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 5945-01-121-7828?

NSN 5945-01-121-7828 has 2 cross-referenced part numbers: 2938970-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 101097 (Parko Electronics Company Inc).

What NSN replaces 5945-01-121-7828?

There are 6 known substitutes for 5945-01-121-7828: 3110-00-088-9746, 5910-00-593-4976, 4820-01-306-9260 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2938970-1?

Key specifications for 2938970-1: Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY; Environmental Protection: HERMETIC AND SHOCK RESISTANT AND VIBRATION RESISTANT; Special Features: PHASE SEQUENCE; Operating Voltage Rating and Type at Specified Temp: 154.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING. 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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