PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J-4126/GInterface Unit

Joint Electronics Type Designation System · NSN 7050-01-201-0571 · FSC 7050 · No Item Name Available
Verified by PartsTable
NSN 7050-01-201-0571 — this item is cataloged by the U.S. Government under National Stock Number 7050-01-201-0571. Primary manufacturer part number: J-4126/G.
Features
  • Interface Unit — FSC 7050
  • General Characteristics Item Description: SOFTWARE PROGRAMMABLE AT 16 BIT RATES,4 CHARACTER LENGTHS AND PARITY SELECTION; 8 ASYNCHRONOUS HALF OR FULL DUPLEX PORTS; UP TO 7 MULTIPLEXERS PER I/O PROCESSOR; 5.0 VDC; 2.5 AMP; 0.5 IN. D; 3.5 IN. H; 19.0 IN. W; 4.0 LBS;RACK MOUNTABLE VDC
  • General Characteristics Item Description: SOFTWARE PROGRAMMABLE AT 16 BIT RATES,4 CHARACTER LENGTHS AND PARITY SELECTION; 8 ASYNCHRONOUS HALF OR FULL DUPLEX PORTS; UP TO 7 MULTIPLEXERS PER I/O PROCESSOR; 5.0 VDC; 2.5 AMP; 0.5 IN. D; 3.5 IN. H; 19.0 IN. W; 4.0 LBS;RACK MOUNTABLE VDC
  • 2 verified cross-references
  • Primary manufacturer: Joint Electronics Type Designation System
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Interface Unit, cataloged under National Stock Number 7050-01-201-0571, is classified within Federal Supply Class 7050 (No Item Name Available) of the General Purpose ADP Equipment group. The primary manufacturer of record is Joint Electronics Type Designation System. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN7050-01-201-0571
Primary Part NumberJ-4126/G
Item NameInterface Unit
FSC / FSG7050 / 70 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusACTIVE
General Characteristics Item DescriptionSOFTWARE PROGRAMMABLE AT 16 BIT RATES,4 CHARACTER LENGTHS AND PARITY SELECTION; 8 ASYNCHRONOUS HALF OR FULL DUPLEX PORTS; UP TO 7 MULTIPLEXERS PER I/O PROCESSOR; 5.0 VDC; 2.5 AMP; 0.5 IN. D; 3.5 IN. H; 19.0 IN. W; 4.0 LBS;RACK MOUNTABLE VDC
General Characteristics Item DescriptionSOFTWARE PROGRAMMABLE AT 16 BIT RATES,4 CHARACTER LENGTHS AND PARITY SELECTION; 8 ASYNCHRONOUS HALF OR FULL DUPLEX PORTS; UP TO 7 MULTIPLEXERS PER I/O PROCESSOR; 5.0 VDC; 2.5 AMP; 0.5 IN. D; 3.5 IN. H; 19.0 IN. W; 4.0 LBS;RACK MOUNTABLE VDC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight1.8200 lbs
Cube0.1596 cu ft
Verified Substitutes 12
5330-00-042-8649 INTERCHANGEABLE
Seal,plain Encased
3110-00-120-3075132842 INTERCHANGEABLE
Bearing,roller,needle
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4730-00-265-17510061120-040 INTERCHANGEABLE
Coupling,pipe
Cleveland Service Center
5306-00-350-42948580 INTERCHANGEABLE
Bolt,shoulder
Dana Corp Spicer Transmission Div
6520-00-431-415603867 INTERCHANGEABLE
Plate,mounting,dental Articulato
Whip-Mix Corp
1660-00-593-33578580 INTERCHANGEABLE
Coupling
Avox Systems Inc Dba Avox Systems Inc
2920-00-716-27198580 INTERCHANGEABLE
Lead Assembly
Champion Aerospace Llc
5120-00-840-72888407288 INTERCHANGEABLE
Punch,drive Pin
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6680-00-996-94388-580 INTERCHANGEABLE
Regulator,pressure
Matheson Co Div of G D Searle Medical Products
5365-01-101-21528580 INTERCHANGEABLE
Spacer,sleeve
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Cross-Reference Index
Part NumberManufacturer
J-4126/G Joint Electronics Type Designation System (USA)
8580 Compro Computer Services, Inc. Dba Compro (USA)
Related Parts
5330-00-042-8649INTERCHANGEABLE
SEAL,PLAIN ENCASED
3110-00-120-3075INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
132842
4730-00-265-1751INTERCHANGEABLE
COUPLING,PIPE
0061120-040
5306-00-350-4294INTERCHANGEABLE
BOLT,SHOULDER
8580
6520-00-431-4156INTERCHANGEABLE
PLATE,MOUNTING,DENTAL ARTICULATO
03867
1660-00-593-3357INTERCHANGEABLE
COUPLING
8580
2920-00-716-2719INTERCHANGEABLE
LEAD ASSEMBLY
8580
5120-00-840-7288INTERCHANGEABLE
PUNCH,DRIVE PIN
8407288
6680-00-996-9438INTERCHANGEABLE
REGULATOR,PRESSURE
8-580
5365-01-101-2152INTERCHANGEABLE
SPACER,SLEEVE
8580
6510-01-154-3646INTERCHANGEABLE
TOWEL PACK,SURGICAL
9330-01-202-8903INTERCHANGEABLE
PLASTIC STRIP,ADHESIVE COATED

Frequently Asked Questions

What is NSN 7050-01-201-0571?

NSN 7050-01-201-0571 is a Interface Unit, manufactured by Joint Electronics Type Designation System, classified under FSC 7050 (No Item Name Available). Status: active.

What are the part numbers for NSN 7050-01-201-0571?

NSN 7050-01-201-0571 has 2 cross-referenced part numbers: J-4126/G (Joint Electronics Type Designation System), 8580 (Compro Computer Services, Inc. Dba Compro).

What NSN replaces 7050-01-201-0571?

There are 12 known substitutes for 7050-01-201-0571: 5330-00-042-8649, 3110-00-120-3075, 4730-00-265-1751 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J-4126/G?

Key specifications for J-4126/G: General Characteristics Item Description: SOFTWARE PROGRAMMABLE AT 16 BIT RATES,4 CHARACTER LENGTHS AND PARITY SELECTION; 8 ASYNCHRONOUS HALF OR FULL DUPLEX PORTS; UP TO 7 MULTIPLEXERS PER I/O PROCESSOR; 5.0 VDC; 2.5 AMP; 0.5 IN. D; 3.5 IN. H; 19.0 IN. W; 4.0 LBS;RACK MOUNTABLE VDC; General Characteristics Item Description: SOFTWARE PROGRAMMABLE AT 16 BIT RATES,4 CHARACTER LENGTHS AND PARITY SELECTION; 8 ASYNCHRONOUS HALF OR FULL DUPLEX PORTS; UP TO 7 MULTIPLEXERS PER I/O PROCESSOR; 5.0 VDC; 2.5 AMP; 0.5 IN. D; 3.5 IN. H; 19.0 IN. W; 4.0 LBS;RACK MOUNTABLE VDC. 2 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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