PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A542Semiconductor Device,diode

Texas Instruments Incorporated · NSN 5961-00-949-5673 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-949-5673 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-949-5673. Primary manufacturer part number: A542.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: GLASS ENCLOSURE
  • Current Rating Per Characteristic: 0.50 MICROAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS AMBIENT AIR DEGC
  • Terminal Length: 1.250 INCHES MINIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Overall Diameter: 0.125 INCHES MAXIMUM IN
  • Mounting Method: TERMINAL
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 5961-00-949-5673, 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 Texas Instruments Incorporated. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-949-5673
Primary Part NumberA542
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
MaterialGLASS ENCLOSURE
Current Rating Per Characteristic0.50 MICROAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
Maximum Operating Temp Per Measurement Point100.0 CELSIUS AMBIENT AIR DEGC
Terminal Length1.250 INCHES MINIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Overall Diameter0.125 INCHES MAXIMUM IN
Mounting MethodTERMINAL
Voltage Rating in Volts Per Characteristic65.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3030-00-006-9600A54-2 INTERCHANGEABLE
Belts,v,matched Set
Contitech Usa, Inc Dba Veyance Technologies
3110-00-142-4333AC542 INTERCHANGEABLE
Bearing,ball,airframe
Schatz Bearing Corporation Dba Schatz Bearing Corp
3110-00-156-1866 INTERCHANGEABLE
Bearing,ball,thrust
4320-00-574-4288A542 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
2640-00-801-3117 INTERCHANGEABLE
Valve,pneumatic Tire
6650-01-696-2822A542 INTERCHANGEABLE
Cap,lens
Lightforce Usa, Incorporated Div Mil-Gov-Le
Cross-Reference Index
Part NumberManufacturer
A542 Texas Instruments Incorporated (USA)
147003P2 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
1056B2 Trw Electronics and Defense Sector Rf Devices (USA)
VS784 Crystalonics, Inc. (USA)
Related Parts
3030-00-006-9600INTERCHANGEABLE
BELTS,V,MATCHED SET
A54-2
3110-00-142-4333INTERCHANGEABLE
BEARING,BALL,AIRFRAME
AC542
3110-00-156-1866INTERCHANGEABLE
BEARING,BALL,THRUST
4320-00-574-4288INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A542
2640-00-801-3117INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
6650-01-696-2822INTERCHANGEABLE
CAP,LENS
A542

Frequently Asked Questions

What is NSN 5961-00-949-5673?

NSN 5961-00-949-5673 is a Semiconductor Device,diode, manufactured by Texas Instruments Incorporated, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-949-5673?

NSN 5961-00-949-5673 has 4 cross-referenced part numbers: A542 (Texas Instruments Incorporated), 147003P2 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 1056B2 (Trw Electronics and Defense Sector Rf Devices), VS784 (Crystalonics, Inc.).

What NSN replaces 5961-00-949-5673?

There are 6 known substitutes for 5961-00-949-5673: 3030-00-006-9600, 3110-00-142-4333, 3110-00-156-1866 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A542?

Key specifications for A542: Material: GLASS ENCLOSURE; Current Rating Per Characteristic: 0.50 MICROAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT; Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS AMBIENT AIR DEGC; Overall Length: 0.300 INCHES MAXIMUM IN. 11 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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