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Sectiona Terminal Junction Block

Model / MPN: 420220-504 | NSN: 5940-01-243-6973
ITAR Registered seal

An electrical item with multiple socket contacts which may or may not be interconnected by bussing, to form one or more circuits. Item may be of feedback, feedthrough and/or terminating design and may afford a convenient method of interconnection. It may or may not include a sealing grommet. Sectional blocks are normally retained in a track or channel mounting. Excludes chamber, cable terminal; contact assembly, electrical; insert, electrical connector; juntion box ; terminal board; and terminal box.

Product Details
NATO Stock Number
Sold in multiples of
1 EA
Overall Length
0.850 inches
Overall Height
1.492 inches
Overall Width
0.390 inches
Current Type
Ac or dc
Environmental Protection
Humidity resistant and ozone resistant and salt spray resistant and shock resistant and vibration resistant
Operating Tempurature Range
-65.0/+200.0 degrees celsius
Pole Quantity
Block Type
Current Rating In Amps
Voltage Rating
Between 300.0 volts and 600.0 volts
Mounting Method
Wire Size Accommodated
20.000 awg
Terminal Design
Precious Material And Location
Contacts external surface gold
Precious Material And Weight
0.040 gold grains, troy
Precious Material
Terminal Type And Quantity

Pricing and Availability

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420220-504 Cross Reference
  • M81714/7-DB3
  • MIL-T-81714
  • 1-592609-7
  • MRFB20E-60
  • MIL-T-81714/7
  • M81714/7-AB3
  • TJM220704