PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N645Semiconductor Device,diode

Raytheon Company Div Corp · NSN 5961-00-765-4612 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-765-4612 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-765-4612. Primary manufacturer part number: 1N645.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: SILICON SEMICONDUCTOR
  • Features Provided: HERMETICALLY SEALED CASE
  • Overall Diameter: 0.125 INCHES NOMINAL IN
  • 11 verified cross-references
  • Primary manufacturer: Raytheon Company Div 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 5961-00-765-4612, 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 Raytheon Company Div Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-765-4612
Primary Part Number1N645
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRaytheon Company Div Corp
StatusACTIVE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
Features ProvidedHERMETICALLY SEALED CASE
Overall Diameter0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-085-69531N645-1 INTERCHANGEABLE
Semiconductor Device,diode
Microsemi Corp - Massachusetts
5961-00-087-6047 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-123-8436 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-400-9854353-2607-001 INTERCHANGEABLE
Semiconductor Device,diode
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-00-415-28211489274-0000 INTERCHANGEABLE
Semiconductor Device,diode
Honeywell International Inc. Dba Honeywell International
5961-00-466-28681N645 INTERCHANGEABLE
Semiconductor Device,diode
Texas Instruments Incorporated
5961-00-577-6084 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-617-4347117257-001 INTERCHANGEABLE
Semiconductor Device,diode
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5961-00-626-0041 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-797-9833 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N645 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
1N645 PRIMARY Raytheon Company Div Corp (USA)
1N645 PRIMARY General Semiconductor Inc (USA)
819782-22 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
1N645 PRIMARY Texas Instruments Incorporated (USA)
6798236-06 Allison Transmission Inc Dba Allison Transmission, Inc (USA)
1N645 PRIMARY Fairchild Semiconductor Corp (USA)
66511 Ge Aviation Systems Llc Dba Ge Aviation (USA)
1N645 Trw Electronics and Defense Sector Rf Devices (USA)
1N645 Telcom Semiconductor Inc (USA)
1N645 Itt Semiconductors a Division of International Telephone and Telegraph Corp (USA)
Related Parts
5961-00-085-6953INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N645-1
5961-00-087-6047INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-123-8436INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-400-9854INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
353-2607-001
5961-00-415-2821INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1489274-0000
5961-00-466-2868INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N645
5961-00-577-6084INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-617-4347INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
117257-001
5961-00-626-0041INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-797-9833INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-821-0710INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-845-0333INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
479-0164-001

Frequently Asked Questions

What is NSN 5961-00-765-4612?

NSN 5961-00-765-4612 is a Semiconductor Device,diode, manufactured by Raytheon Company Div Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-765-4612?

NSN 5961-00-765-4612 has 11 cross-referenced part numbers: 1N645 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp), 1N645 (Raytheon Company Div Corp), 1N645 (General Semiconductor Inc), 819782-22 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site), 1N645 (Texas Instruments Incorporated) and 6 more.

What NSN replaces 5961-00-765-4612?

There are 12 known substitutes for 5961-00-765-4612: 5961-00-085-6953, 5961-00-087-6047, 5961-00-123-8436 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N645?

Key specifications for 1N645: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Material: SILICON SEMICONDUCTOR; Features Provided: HERMETICALLY SEALED CASE; Overall Diameter: 0.125 INCHES NOMINAL IN. 4 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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