PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3321-447Relay,electromagnetic

Cmc Electronics Inc · NSN 5945-00-990-3265 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-990-3265 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-990-3265. Primary manufacturer part number: 3321-447.
Features
  • Relay,electromagnetic — FSC 5945
  • Frequency in Hertz: 60.0 NOMINAL
  • Winding Quantity: 1
  • Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
  • Terminal Type and Quantity: 8 PIN ALL FUNCTIONS
  • Environmental Protection: HERMETIC
  • Coil Quantity: 1
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-990-3265, 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 Cmc Electronics Inc. Government technical data includes 15 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-990-3265
Primary Part Number3321-447
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerCmc Electronics Inc
StatusACTIVE
Frequency in Hertz60.0 NOMINAL
Winding Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Environmental ProtectionHERMETIC
Coil Quantity1
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Center to Center Distance Between Mounting Facilities Parallel to Length0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Thread Class2A SINGLE MOUNTING FACILITY A
Winding DC Resistance Rating8.0 KILOHMS NOMINAL SINGLE WINDING
Mounting Facility Type and Quantity2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5306-00-281-694692724 INTERCHANGEABLE
Bolt,machine
Briggs and Stratton Corp
5945-00-884-15082538132 INTERCHANGEABLE
Relay,electromagnetic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5360-01-016-989192710 INTERCHANGEABLE
Spring,helical,compression
Flexo Springs Ltd
Cross-Reference Index
Part NumberManufacturer
92710 Sigma Instruments Inc (USA)
22RJCC92710-2 Sigma Instruments Inc (USA)
3321-447 PRIMARY Cmc Electronics Inc (CAN)
Related Parts
5306-00-281-6946INTERCHANGEABLE
BOLT,MACHINE
92724
5945-00-884-1508INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
2538132
5360-01-016-9891INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
92710

Frequently Asked Questions

What is NSN 5945-00-990-3265?

NSN 5945-00-990-3265 is a Relay,electromagnetic, manufactured by Cmc Electronics Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-990-3265?

NSN 5945-00-990-3265 has 3 cross-referenced part numbers: 92710 (Sigma Instruments Inc), 22RJCC92710-2 (Sigma Instruments Inc), 3321-447 (Cmc Electronics Inc).

What NSN replaces 5945-00-990-3265?

There are 3 known substitutes for 5945-00-990-3265: 5306-00-281-6946, 5945-00-884-1508, 5360-01-016-9891. Verify interchangeability with system specifications before substitution.

What are the specifications of 3321-447?

Key specifications for 3321-447: Frequency in Hertz: 60.0 NOMINAL; Winding Quantity: 1; Overall Width: 1.000 INCHES NOMINAL IN; Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD. 18 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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