PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SSA2440Relay,solid State

Master Electronic Controls · NSN 5945-01-231-5422 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-231-5422 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-231-5422. Primary manufacturer part number: SSA2440.
Features
  • Relay,solid State — FSC 5945
  • 4 verified cross-references
  • Primary manufacturer: Master Electronic Controls
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,solid State, cataloged under National Stock Number 5945-01-231-5422, 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 Master Electronic Controls. This item has 4 commercial cross-references from 3 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
NSN5945-01-231-5422
Primary Part NumberSSA2440
Item NameRelay,solid State
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMaster Electronic Controls
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-01-504-041224-40 INTERCHANGEABLE
Screw,cap,hexagon Head
Crane Carrier Company, Llc
Cross-Reference Index
Part NumberManufacturer
SSA2440 Master Electronic Controls (USA)
7913474-00 L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA)
A2440 Master Electronic Controls (USA)
A2440 Crydom Corp (USA)
Related Parts
5305-01-504-0412INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
24-40

Frequently Asked Questions

What is NSN 5945-01-231-5422?

NSN 5945-01-231-5422 is a Relay,solid State, manufactured by Master Electronic Controls, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-231-5422?

NSN 5945-01-231-5422 has 4 cross-referenced part numbers: SSA2440 (Master Electronic Controls), 7913474-00 (L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West), A2440 (Master Electronic Controls), A2440 (Crydom Corp).

What NSN replaces 5945-01-231-5422?

There is 1 known substitute for 5945-01-231-5422: 5305-01-504-0412. Verify interchangeability with system specifications before substitution.

What are the specifications of SSA2440?

Key specifications for SSA2440: Special Features: OPERATING VOLTAGE RANGE 48 TO 280 VRMS AT 47 TO 63 HZ; MAX LOAD CURRENT 40 AMPS RMS; POWER DISSIPATION AT MAX CURRENT 46 WATTS; MIN INPUT IMPEDANCE 60 KOHMS; DIELECTRIC STRENGTH 4000 VRMS; MAX CAPACITANCE INPUT/OUTPUT 8 PICOFARADS; OPERATING TEMEPRATURE RANGE -30 TO 8O DEG C; CASE MATERIAL POLYESTER; ENCAPSULANT ALUMINA FILLED EPOXY; CASE COLOR BLACK; TERMINALS TIN PLATED BRASS; 1.750 IN LONG; 2.250 IN H; 1.100 IN W IN. 1 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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