PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2963763Relay,aircraft,mate

Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa · NSN 4920-01-571-8270 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-571-8270 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-571-8270. Primary manufacturer part number: 2963763.
Features
  • Relay,aircraft,mate — FSC 4920
  • 3 verified cross-references
  • Primary manufacturer: Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,aircraft,mate, cataloged under National Stock Number 4920-01-571-8270, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRelay,aircraft,mate
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersPhoenix Contact Development and Manufacturing Inc Dba Protiq Usa (CAGE 5Y407); Risk Industries Llc Dba Pines Technology Div Headquarters (CAGE 4RPC2); Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering (CAGE 74QK6)
Technical Specifications
ParameterValue
NSN4920-01-571-8270
Primary Part Number2963763
Item NameRelay,aircraft,mate
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerPhoenix Contact Development and Manufacturing Inc Dba Protiq Usa
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5895-00-338-0118370957 INTERCHANGEABLE
Cover,electronic Communication E
Raytheon Company Dba Raytheon Co
5950-00-647-8168 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
2963763 Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa (USA)
370-957 Risk Industries Llc Dba Pines Technology Div Headquarters (USA)
370-957 Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering (USA)
Related Parts
5895-00-338-0118INTERCHANGEABLE
COVER,ELECTRONIC COMMUNICATION E
370957
5950-00-647-8168INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 4920-01-571-8270?

NSN 4920-01-571-8270 is a Relay,aircraft,mate, manufactured by Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-571-8270?

NSN 4920-01-571-8270 has 3 cross-referenced part numbers: 2963763 (Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa), 370-957 (Risk Industries Llc Dba Pines Technology Div Headquarters), 370-957 (Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering).

What NSN replaces 4920-01-571-8270?

There are 2 known substitutes for 4920-01-571-8270: 5895-00-338-0118, 5950-00-647-8168. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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