PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

581-019Semiconductor Device,diode

Ampex Systems Corp · NSN 5961-00-850-9561 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-850-9561 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-850-9561. Primary manufacturer part number: 581-019.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Test Data Document: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
  • Specification/standard Data: 81349-MIL-S-19500/117 GOVERNMENT SPECIFICATION
  • Mounting Method: TERMINAL
  • Power Rating Per Characteristic: 400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • Current Rating Per Characteristic: 13.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Silicon Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-850-9561, 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 Ampex Systems Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-850-9561
Primary Part Number581-019
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAmpex Systems Corp
StatusCANCELLED
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Test Data Document81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM NOMINAL REGULATOR VOLTAGE
Specification/standard Data81349-MIL-S-19500/117 GOVERNMENT SPECIFICATION
Mounting MethodTERMINAL
Power Rating Per Characteristic400.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Current Rating Per Characteristic13.00 MILLIAMPERES MAXIMUM VOLTAGE REGULATOR DIODE CURRENT
Terminal Length1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point175.0 CELSIUS AMBIENT AIR DEGC
Overall Diameter0.085 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
MaterialSILICON SEMICONDUCTOR
MaterialGLASS ENCLOSURE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5961-00-436-2896152-0282-00 INTERCHANGEABLE
Semiconductor Device,diode
Tektronix, Inc.
3455-00-516-315117613 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5990-00-787-4437F408 INTERCHANGEABLE
Synchr0 C0ntr0l
Schulze Mfg., Inc.
5905-00-878-3213F408 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
Cross-Reference Index
Part NumberManufacturer
581-019 Ampex Systems Corp (USA)
1-4M30Z Freescale Semiconductor, Inc. (USA)
F408 Nautel Maine Inc (USA)
353-3234-00 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
353-3094-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
353-3183-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
353-3234-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
JAN1N972B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10611588-1 Us Army Aviation and Missile Command (USA)
1N972AA Electronic Industries Association
343-222-123 L3harris Interstate Electronics Corporation (USA)
EIA3010 Electronic Industries Association
5961PL1383339 Jednolity Indeks Materialowy - Uniform Material Index (POL)
1N927B Electronic Industries Association
MILS19500-117 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
353-3234-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
1N725 Electronic Industries Association
1-4M30Z Motorola Inc. Dba Integrated Information Systems Group (USA)
12043-0106 Honeywell International Inc Dba Honeywell (USA)
947060-9722 Litton Systems Inc. Div Navigation Systems Division (USA)
Related Parts
5961-00-436-2896INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
152-0282-00
3455-00-516-3151INTERCHANGEABLE
CUTTER,MILLING,END
17613
5990-00-787-4437INTERCHANGEABLE
SYNCHR0 C0NTR0L
F408
5905-00-878-3213INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
F408

Frequently Asked Questions

What is NSN 5961-00-850-9561?

NSN 5961-00-850-9561 is a Semiconductor Device,diode, manufactured by Ampex Systems Corp, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-850-9561?

NSN 5961-00-850-9561 has 25 cross-referenced part numbers: 581-019 (Ampex Systems Corp), 1-4M30Z (Freescale Semiconductor, Inc.), F408 (Nautel Maine Inc), 353-3234-00 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 353-3094-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems) and 20 more.

What NSN replaces 5961-00-850-9561?

There are 4 known substitutes for 5961-00-850-9561: 5961-00-436-2896, 3455-00-516-3151, 5990-00-787-4437 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 581-019?

Key specifications for 581-019: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Test Data Document: 81349-MIL-S-19500 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM NOMINAL REGULATOR VOLTAGE; Specification/standard Data: 81349-MIL-S-19500/117 GOVERNMENT SPECIFICATION. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-850-9561 still in active supply?

NSN 5961-00-850-9561 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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