PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-2190Relay,reed

Douglas-Randall Inc · NSN 5945-00-412-0843 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-412-0843 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-412-0843. Primary manufacturer part number: 3-2190.
Features
  • Relay,reed — FSC 5945
  • Main Contact Load Current Rating at Maximum Rated Voltage: 500.0 MILLIAMPERES AC RESISTIVE LOAD
  • Nonpile-Up Main Contact Arrangement: 4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Main Contact Maximum Voltage Rating in Volts: 250.0 AC
  • Coil Quantity: 2
  • Winding Quantity: 2
  • Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,reed, cataloged under National Stock Number 5945-00-412-0843, 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 Douglas-Randall Inc. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-412-0843
Primary Part Number3-2190
Item NameRelay,reed
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerDouglas-Randall Inc
StatusACTIVE
Main Contact Load Current Rating at Maximum Rated Voltage500.0 MILLIAMPERES AC RESISTIVE LOAD
Nonpile-Up Main Contact Arrangement4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Main Contact Maximum Voltage Rating in Volts250.0 AC
Coil Quantity2
Winding Quantity2
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Winding DC Resistance Rating280.0 OHMS NOMINAL ALL WINDINGS
Features ProvidedLATCHING CONTACTS
Terminal Type and Quantity12 PIN ALL FUNCTIONS
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5995-00-818-536832190 INTERCHANGEABLE
Cord Assembly,electrical,branche
Roanwell, Llc
3110-00-869-418443160 INTERCHANGEABLE
Roller,bearing
Funk Mfg Co Sub of Deere and Co
5940-01-082-824510015366-043 INTERCHANGEABLE
Terminal,lug
Us Army Aviation and Missile Command
5998-01-136-270732190 INTERCHANGEABLE
Circuit Card Assembly
Hamilton Sundstrand Corporation Dba Collins Aerospace
5120-01-550-7224 INTERCHANGEABLE
Alignment Wedge
5331-01-558-394532190 INTERCHANGEABLE
O-Ring
Haltec Corp
3419-01-570-316432190 INTERCHANGEABLE
Beveling Machine,e
Gravotech, Inc. Dba Gravotech Inc
3940-01-622-900332190-3 INTERCHANGEABLE
Sling,multiple Leg
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Cross-Reference Index
Part NumberManufacturer
3-2190 Douglas-Randall Inc (USA)
Related Parts
5995-00-818-5368INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL,BRANCHE
32190
3110-00-869-4184INTERCHANGEABLE
ROLLER,BEARING
43160
5940-01-082-8245INTERCHANGEABLE
TERMINAL,LUG
10015366-043
5998-01-136-2707INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
32190
5120-01-550-7224INTERCHANGEABLE
ALIGNMENT WEDGE
5331-01-558-3945INTERCHANGEABLE
O-RING
32190
3419-01-570-3164INTERCHANGEABLE
BEVELING MACHINE,E
32190
3940-01-622-9003INTERCHANGEABLE
SLING,MULTIPLE LEG
32190-3

Frequently Asked Questions

What is NSN 5945-00-412-0843?

NSN 5945-00-412-0843 is a Relay,reed, manufactured by Douglas-Randall Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-412-0843?

NSN 5945-00-412-0843 has 1 cross-referenced part number: 3-2190 (Douglas-Randall Inc).

What NSN replaces 5945-00-412-0843?

There are 8 known substitutes for 5945-00-412-0843: 5995-00-818-5368, 3110-00-869-4184, 5940-01-082-8245 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-2190?

Key specifications for 3-2190: Main Contact Load Current Rating at Maximum Rated Voltage: 500.0 MILLIAMPERES AC RESISTIVE LOAD; Overall Length: 2.750 INCHES NOMINAL IN; Overall Height: 0.700 INCHES NOMINAL IN; Nonpile-Up Main Contact Arrangement: 4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION. 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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