PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N81Semiconductor Device,diode

General Electric Company · NSN 5961-00-257-2615 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-257-2615 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-257-2615. Primary manufacturer part number: 1N81.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: GERMANIUM SEMICONDUCTOR
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Nondefinitive Spec/std Data: NO. 1N81 TYPE
  • 5 verified cross-references
  • Primary manufacturer: General Electric Company
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 5961-00-257-2615, 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 Electric Company. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN5961-00-257-2615
Primary Part Number1N81
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerGeneral Electric Company
StatusACTIVE
MaterialGERMANIUM SEMICONDUCTOR
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Nondefinitive Spec/std DataNO. 1N81 TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5960-00-230-5330 INTERCHANGEABLE
Electron Tube
5960-00-262-0207 INTERCHANGEABLE
Electron Tube
Cross-Reference Index
Part NumberManufacturer
1N81 General Electric Company (USA)
1N81 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
353-0129-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MILE1B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILE1TYPE1N81 Siemens Ag (DEU)
Related Parts
5960-00-230-5330INTERCHANGEABLE
ELECTRON TUBE
5960-00-262-0207INTERCHANGEABLE
ELECTRON TUBE

Frequently Asked Questions

What is NSN 5961-00-257-2615?

NSN 5961-00-257-2615 is a Semiconductor Device,diode, manufactured by General Electric Company, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-257-2615?

NSN 5961-00-257-2615 has 5 cross-referenced part numbers: 1N81 (General Electric Company), 1N81 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 353-0129-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), MILE1B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILE1TYPE1N81 (Siemens Ag).

What NSN replaces 5961-00-257-2615?

There are 2 known substitutes for 5961-00-257-2615: 5960-00-230-5330, 5960-00-262-0207. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N81?

Key specifications for 1N81: Material: GERMANIUM SEMICONDUCTOR; Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Nondefinitive Spec/std Data: NO. 1N81 TYPE. 3 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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