PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N1581Semiconductor Device,diode

Ampex Systems Corp · NSN 5961-00-842-0097 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-842-0097 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-842-0097. Primary manufacturer part number: 1N1581.
Features
  • Semiconductor Device,diode — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Nondefinitive Spec/std Data: 1N1581 TYPE
  • Material: SILICON SEMICONDUCTOR
  • 3 verified cross-references
  • Primary manufacturer: Ampex Systems Corp
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 5961-00-842-0097, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-842-0097
Primary Part Number1N1581
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerAmpex Systems Corp
StatusCANCELLED
Features ProvidedHERMETICALLY SEALED CASE
Nondefinitive Spec/std Data1N1581 TYPE
MaterialSILICON SEMICONDUCTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5961-00-755-81501N1585 INTERCHANGEABLE
Semiconductor Device,diode
Semitronics Corp
5961-00-765-4625 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-817-6595 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-839-5359 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-984-0067 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N1581 Ampex Systems Corp (USA)
1N1581 Electronic Industries Association
RELEASE4154 Electronic Industries Association
Related Parts
5961-00-755-8150INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N1585
5961-00-765-4625INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-817-6595INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-839-5359INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-984-0067INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-842-0097?

NSN 5961-00-842-0097 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 5961-00-842-0097?

NSN 5961-00-842-0097 has 3 cross-referenced part numbers: 1N1581 (Ampex Systems Corp), 1N1581 (Electronic Industries Association), RELEASE4154 (Electronic Industries Association).

What NSN replaces 5961-00-842-0097?

There are 5 known substitutes for 5961-00-842-0097: 5961-00-755-8150, 5961-00-765-4625, 5961-00-817-6595 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N1581?

Key specifications for 1N1581: Features Provided: HERMETICALLY SEALED CASE; Nondefinitive Spec/std Data: 1N1581 TYPE; Material: SILICON SEMICONDUCTOR. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-842-0097 still in active supply?

NSN 5961-00-842-0097 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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