PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

181653Semiconductor Device,diode

Telemechanics Inc · NSN 5961-00-617-4347 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-617-4347 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-617-4347. Primary manufacturer part number: 181653.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: SILICON SEMICONDUCTOR
  • Features Provided: HERMETICALLY SEALED CASE
  • Nondefinitive Spec/std Data: 1N645 TYPE
  • 29 verified cross-references
  • Primary manufacturer: Telemechanics Inc
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 5961-00-617-4347, 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 Telemechanics Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 29 commercial cross-references from 23 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-617-4347
Primary Part Number181653
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
Features ProvidedHERMETICALLY SEALED CASE
Nondefinitive Spec/std Data1N645 TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-085-69531N645-1 INTERCHANGEABLE
Semiconductor Device,diode
Microsemi Corp - Massachusetts
5961-00-087-6047 INTERCHANGEABLE
Semiconductor Device,diode
5905-00-104-559610483 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Astronautics Corporation of America
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
5961-00-626-0041 INTERCHANGEABLE
Semiconductor Device,diode
5330-00-753-1265125617 INTERCHANGEABLE
Gasket
Fwd Seagrave Holdings Lp
Cross-Reference Index
Part NumberManufacturer
181653 PRIMARY Telemechanics Inc (USA)
4JA6WX31 General Electric Company (USA)
430123 Raytheon Technical Services Company (USA)
1778942-2 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
4JA6WX31 Veeco Instruments Inc Lambda Div (USA)
353-2607-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
IN645 Electronic Industries Association
632281-2 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
9112973 Lockheed Martin Corporation (USA)
117257-001 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
125-617 Cae Inc (CAN)
1N645 Raytheon Company Div Corp (USA)
430123 Cae Usa Inc. (USA)
4JA6WX31 General Electric Co Semi-Conductor Products Dept Power Components Opn (USA)
1N645 Electronic Industries Association
94-978-1 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
5546-5 New Haven Mfg Corp (USA)
PS405A Trw Electronics and Defense Sector Rf Devices (USA)
1778942-2 Honeywell International Inc. Dba Honeywell International (USA)
FBL00-030A Veeco Instruments Inc Lambda Div (USA)
Related Parts
5961-00-085-6953INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N645-1
5961-00-087-6047INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5905-00-104-5596INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
10483
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
5961-00-626-0041INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5330-00-753-1265INTERCHANGEABLE
GASKET
125617
5961-00-765-4612INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N645
5961-00-797-9833INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-617-4347?

NSN 5961-00-617-4347 is a Semiconductor Device,diode, manufactured by Telemechanics Inc, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-617-4347?

NSN 5961-00-617-4347 has 29 cross-referenced part numbers: 181653 (Telemechanics Inc), 4JA6WX31 (General Electric Company), 430123 (Raytheon Technical Services Company), 1778942-2 (Lockheed Martin Corporation Div Rms - Mitchel Field), 4JA6WX31 (Veeco Instruments Inc Lambda Div) and 24 more.

What NSN replaces 5961-00-617-4347?

There are 12 known substitutes for 5961-00-617-4347: 5961-00-085-6953, 5961-00-087-6047, 5905-00-104-5596 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 181653?

Key specifications for 181653: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Material: SILICON SEMICONDUCTOR; Features Provided: HERMETICALLY SEALED CASE; Nondefinitive Spec/std Data: 1N645 TYPE. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-617-4347 still in active supply?

NSN 5961-00-617-4347 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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