PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C1237AARC27Control Unit,test S

Joint Electronics Type Designation System · NSN 6625-00-376-1630 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-376-1630 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-376-1630. Primary manufacturer part number: C1237AARC27.
Features
  • Control Unit,test S — FSC 6625
  • 4 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 Control Unit,test S, cataloged under National Stock Number 6625-00-376-1630, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Joint Electronics Type Designation System. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Catalog Facts
Item NameControl Unit,test S
FSC / FSG6625 — No Item Name Available (FSG 66)
ManufacturersJoint Electronics Type Designation System (CAGE 80058); Avionics Corp of America (CAGE 00531); Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (CAGE 13499)
Successor NSN6625-00-564-1183 — No Item Name Available
Technical Specifications
ParameterValue
NSN6625-00-376-1630
Primary Part NumberC1237AARC27
Item NameControl Unit,test S
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJF
Weight34.0000 lbs
Cube0.9060 cu ft
Verified Substitutes 6
No Item Name Available
5950-00-088-0255R501 INTERCHANGEABLE
Reactor
Viking Technologies, Ltd.
5985-00-110-825932-87848-3 INTERCHANGEABLE
Coupler,directional
The Boeing Company Div Defense
5905-01-074-17505165 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Sensor Systems, L.l.c. Dba Sensor Systems Llc
4820-01-106-5475R-501 INTERCHANGEABLE
Valve,flow Control
Clippard Instrument Laboratory Inc
5820-01-400-1774R501 INTERCHANGEABLE
Receiver,radio
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
C1237AARC27 PRIMARY Joint Electronics Type Designation System (USA)
R501 Avionics Corp of America (USA)
C1237ARC27 PRIMARY Joint Electronics Type Designation System (USA)
505-9199-005 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
6625-00-564-1183SUCCESSOR
NO ITEM NAME AVAILABLE
5950-00-088-0255INTERCHANGEABLE
REACTOR
R501
5985-00-110-8259INTERCHANGEABLE
COUPLER,DIRECTIONAL
32-87848-3
5905-01-074-1750INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5165
4820-01-106-5475INTERCHANGEABLE
VALVE,FLOW CONTROL
R-501
5820-01-400-1774INTERCHANGEABLE
RECEIVER,RADIO
R501

Frequently Asked Questions

What is NSN 6625-00-376-1630?

NSN 6625-00-376-1630 is a Control Unit,test S, manufactured by Joint Electronics Type Designation System, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-376-1630?

NSN 6625-00-376-1630 has 4 cross-referenced part numbers: C1237AARC27 (Joint Electronics Type Designation System), R501 (Avionics Corp of America), C1237ARC27 (Joint Electronics Type Designation System), 505-9199-005 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 6625-00-376-1630?

There are 6 known substitutes for 6625-00-376-1630: 6625-00-564-1183, 5950-00-088-0255, 5985-00-110-8259 and 3 more. Verify interchangeability with system specifications before substitution.

Is NSN 6625-00-376-1630 still in active supply?

NSN 6625-00-376-1630 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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