PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-419Relay,solid State

Te Connectivity Corporation · NSN 5945-01-100-0512 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-100-0512 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-100-0512. Primary manufacturer part number: 21-419.
Features
  • Relay,solid State — FSC 5945
  • 3 verified cross-references
  • Primary manufacturer: Te Connectivity Corporation
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,solid State, cataloged under National Stock Number 5945-01-100-0512, 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 Te Connectivity Corporation. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-100-0512
Primary Part Number21-419
Item NameRelay,solid State
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-275-174621-419 INTERCHANGEABLE
Nut,plain,hexagon
Horizon Aerospace Llc Dba Magnetics Division
1660-00-491-1081 INTERCHANGEABLE
Tag Assembly
2805-00-615-8154200327 INTERCHANGEABLE
Lock,valve Spring Retainer
Renk America Llc Div Renk America
2520-00-769-7608113373D INTERCHANGEABLE
Cap,dust,propeller Shaft
Am General Llc
5935-01-054-3855M-4513 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
Cross-Reference Index
Part NumberManufacturer
300-33X Te Connectivity Corporation (USA)
626188-1 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
21-419 PRIMARY Te Connectivity Corporation (USA)
Related Parts
5310-00-275-1746INTERCHANGEABLE
NUT,PLAIN,HEXAGON
21-419
1660-00-491-1081INTERCHANGEABLE
TAG ASSEMBLY
2805-00-615-8154INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
200327
2520-00-769-7608INTERCHANGEABLE
CAP,DUST,PROPELLER SHAFT
113373D
5935-01-054-3855INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
M-4513

Frequently Asked Questions

What is NSN 5945-01-100-0512?

NSN 5945-01-100-0512 is a Relay,solid State, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-100-0512?

NSN 5945-01-100-0512 has 3 cross-referenced part numbers: 300-33X (Te Connectivity Corporation), 626188-1 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 21-419 (Te Connectivity Corporation).

What NSN replaces 5945-01-100-0512?

There are 5 known substitutes for 5945-01-100-0512: 5310-00-275-1746, 1660-00-491-1081, 2805-00-615-8154 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-419?

Key specifications for 21-419: Special Features: CONTACT DATA,2PDT,1 AMP AT 230 VAC 50/60 HZ; INPUT VOLTAGE 115 VAC OR 230 VAC 50/60 HZ; OVERVOLTAGE TRIP SETTING 160 V RMS,EXTERNAL ADJUSTMENT; OPERATING TEMPERATURE RANGE MINUS 32 DEG C TO PLUS 60 DEG C; 8 6-32 NC STUD TERMINALS; SOLID-STATE SENSOR WITH HERMETICALLY SEALED RELAY IN A SEALED STEEL CAN; 3.876 IN. LG; 3.500 IN. W; 4.500 IN. H; FOUR 0.172 IN. DIA MTG HOLES ON 3.500 IN. BY 2.750 IN MTG CENTERS VAC. 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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