PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N55ASemiconductor Device,diode

General Dynamics Mission Systems, Inc. · NSN 5961-00-636-2942 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-636-2942 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-636-2942. Primary manufacturer part number: 1N55A.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: GERMANIUM SEMICONDUCTOR
  • Features Provided: HERMETICALLY SEALED CASE
  • 1 verified cross-reference
  • Primary manufacturer: General Dynamics Mission Systems, Inc.
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Germanium Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-636-2942, 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 General Dynamics Mission Systems, Inc.. Government technical data includes 3 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-636-2942
Primary Part Number1N55A
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc.
StatusACTIVE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialGERMANIUM SEMICONDUCTOR
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-262-0326 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-840-5466 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N55A PRIMARY General Dynamics Mission Systems, Inc. (USA)
Related Parts
5961-00-262-0326INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-840-5466INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-636-2942?

NSN 5961-00-636-2942 is a Semiconductor Device,diode, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-636-2942?

NSN 5961-00-636-2942 has 1 cross-referenced part number: 1N55A (General Dynamics Mission Systems, Inc.).

What NSN replaces 5961-00-636-2942?

There are 2 known substitutes for 5961-00-636-2942: 5961-00-262-0326, 5961-00-840-5466. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N55A?

Key specifications for 1N55A: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Material: GERMANIUM SEMICONDUCTOR; Features Provided: HERMETICALLY SEALED CASE. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com