PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40209Semiconductor Device,diode

Rca Corp Distribution and Special Products · NSN 5961-00-974-6859 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-974-6859 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-974-6859. Primary manufacturer part number: 40209.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: GLASS ENCLOSURE
  • Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM REVERSE VOLTAGE, PEAK
  • Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC
  • Mounting Method: THREADED STUD(S)
  • Current Rating Per Characteristic: 18.000 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
  • Nominal Thread Size: 0.190 INCHES IN
  • Features Provided: HERMETICALLY SEALED CASE
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Glass Enclosure construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-974-6859, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Rca Corp Distribution and Special Products. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-974-6859
Primary Part Number40209
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRca Corp Distribution and Special Products
StatusCANCELLED
MaterialGLASS ENCLOSURE
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM REVERSE VOLTAGE, PEAK
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Mounting MethodTHREADED STUD(S)
Current Rating Per Characteristic18.000 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
Nominal Thread Size0.190 INCHES IN
Features ProvidedHERMETICALLY SEALED CASE
Overall Width Across Flats0.424 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Terminal Type and Quantity1 THREADED STUD AND 1 TAB, SOLDER LUG
Mounting Facility Quantity1
Thread Series DesignatorUNF
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3510-00-007-854540209 INTERCHANGEABLE
Padding Flannel,laundry Press,co
Unipress Corporation
5136-00-189-3198402324 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
3455-00-194-055058-10071 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5961-00-453-8664P17-200-O20A1 INTERCHANGEABLE
Semiconductor Device,diode
La Marche Mfg Co. Dba La Marche
5999-00-868-1352 INTERCHANGEABLE
Resonator,magnetostriction
5961-00-917-1712 INTERCHANGEABLE
Semiconductor Device,diode
5950-01-049-6629101-5014-1 INTERCHANGEABLE
Transformer,power
Behlman Electronics, Inc
4820-01-106-320740209 INTERCHANGEABLE
Valve,globe
Northrop Grumman Systems Corporation Div Marine Systems
3020-01-113-541640209 INTERCHANGEABLE
Gear,internal
Acco-Babcock Inc Hoist and Crane Div
6515-01-139-8431 INTERCHANGEABLE
Counterbore,trochanteric
Cross-Reference Index
Part NumberManufacturer
40209 Rca Corp Distribution and Special Products (USA)
Related Parts
3510-00-007-8545INTERCHANGEABLE
PADDING FLANNEL,LAUNDRY PRESS,CO
40209
5136-00-189-3198INTERCHANGEABLE
DIE,THREAD CUTTING
402324
3455-00-194-0550INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10071
5961-00-453-8664INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
P17-200-O20A1
5999-00-868-1352INTERCHANGEABLE
RESONATOR,MAGNETOSTRICTION
5961-00-917-1712INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5950-01-049-6629INTERCHANGEABLE
TRANSFORMER,POWER
101-5014-1
4820-01-106-3207INTERCHANGEABLE
VALVE,GLOBE
40209
3020-01-113-5416INTERCHANGEABLE
GEAR,INTERNAL
40209
6515-01-139-8431INTERCHANGEABLE
COUNTERBORE,TROCHANTERIC
6530-01-440-2521INTERCHANGEABLE
POSITIONING BLOCK,HEAD
5340-01-560-5956INTERCHANGEABLE
BRACKET,MOUNTING
402-09

Frequently Asked Questions

What is NSN 5961-00-974-6859?

NSN 5961-00-974-6859 is a Semiconductor Device,diode, manufactured by Rca Corp Distribution and Special Products, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-974-6859?

NSN 5961-00-974-6859 has 1 cross-referenced part number: 40209 (Rca Corp Distribution and Special Products).

What NSN replaces 5961-00-974-6859?

There are 12 known substitutes for 5961-00-974-6859: 3510-00-007-8545, 5136-00-189-3198, 3455-00-194-0550 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40209?

Key specifications for 40209: Material: GLASS ENCLOSURE; Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM REVERSE VOLTAGE, PEAK; Maximum Operating Temp Per Measurement Point: 175.0 CELSIUS AMBIENT AIR DEGC; Mounting Method: THREADED STUD(S). 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-974-6859 still in active supply?

NSN 5961-00-974-6859 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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