PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1645Semiconductor Device,photo

L3 Technologies, Inc. Div Communication Systems-East · NSN 5961-00-189-6514 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-189-6514 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-189-6514. Primary manufacturer part number: 1645.
Features
  • Semiconductor Device,photo — FSC 5961
  • Material: GLASS ENCLOSURE
  • Overall Diameter: 0.710 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: L3 Technologies, Inc. Div Communication Systems-East
Applications
  • Applications requiring Glass Enclosure construction
General Description

The Semiconductor Device,photo, cataloged under National Stock Number 5961-00-189-6514, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5961-00-189-6514
Primary Part Number1645
Item NameSemiconductor Device,photo
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div Communication Systems-East
StatusACTIVE
MaterialGLASS ENCLOSURE
Overall Diameter0.710 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-064-72411645 INTERCHANGEABLE
Seat,valve
Velan Valve Corp.
2920-00-379-01461645 INTERCHANGEABLE
Base,regulator Shie
H20 Tank Inc U S Motors Div
6680-00-399-26621645 INTERCHANGEABLE
Cone,airline
King Engineering Corporation Dba King-Gage Systems
5305-00-474-37511645 INTERCHANGEABLE
Setscrew
Triumph Engine Control Systems Llc
6625-00-520-5282 INTERCHANGEABLE
Slotted Line,coaxial
4730-00-544-2345 INTERCHANGEABLE
Lubricator,drive St
5935-00-910-9194 INTERCHANGEABLE
Adapter,connector
5950-00-952-84061783709-45 INTERCHANGEABLE
Transformer,audio Frequency
Honeywell International Inc. Dba Honeywell International
4530-01-022-95962.25X80DEGMTDR INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
Monarch Mfg Works Inc
5340-01-042-3246 INTERCHANGEABLE
Handle,bow
Cross-Reference Index
Part NumberManufacturer
1645 PRIMARY L3 Technologies, Inc. Div Communication Systems-East (USA)
1645 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
Related Parts
4820-00-064-7241INTERCHANGEABLE
SEAT,VALVE
1645
2920-00-379-0146INTERCHANGEABLE
BASE,REGULATOR SHIE
1645
6680-00-399-2662INTERCHANGEABLE
CONE,AIRLINE
1645
5305-00-474-3751INTERCHANGEABLE
SETSCREW
1645
6625-00-520-5282INTERCHANGEABLE
SLOTTED LINE,COAXIAL
4730-00-544-2345INTERCHANGEABLE
LUBRICATOR,DRIVE ST
5935-00-910-9194INTERCHANGEABLE
ADAPTER,CONNECTOR
5950-00-952-8406INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1783709-45
4530-01-022-9596INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
2.25X80DEGMTDR
5340-01-042-3246INTERCHANGEABLE
HANDLE,BOW
5355-01-045-5324INTERCHANGEABLE
KNOB
KNS-701BA
5307-01-163-1970INTERCHANGEABLE
STUD,PLAIN
1645

Frequently Asked Questions

What is NSN 5961-00-189-6514?

NSN 5961-00-189-6514 is a Semiconductor Device,photo, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-189-6514?

NSN 5961-00-189-6514 has 2 cross-referenced part numbers: 1645 (L3 Technologies, Inc. Div Communication Systems-East), 1645 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin).

What NSN replaces 5961-00-189-6514?

There are 12 known substitutes for 5961-00-189-6514: 4820-00-064-7241, 2920-00-379-0146, 6680-00-399-2662 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1645?

Key specifications for 1645: Material: GLASS ENCLOSURE; Overall Diameter: 0.710 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: PHOTOELECTRIC CELL; Overall Length: 2.500 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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