PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P123Transistor

Polyfet Rf Devices, Inc · NSN 5961-01-510-3522 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-510-3522 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-510-3522. Primary manufacturer part number: P123.
Features
  • Transistor — FSC 5961
  • Internal Configuration: FIELD EFFECT
  • Material: CERAMIC ENCLOSURE
  • Semiconductor Material: SILICON
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
  • Mounting Method: BRACKET(S)
  • Voltage Rating in Volts Per Characteristic: 12.5 MAXIMUM DRAIN SUPPLY VOLTAGE
  • 1 verified cross-reference
Applications
  • Applications requiring Ceramic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-01-510-3522, 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 Polyfet Rf Devices, Inc. Government technical data includes 6 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-510-3522
Primary Part NumberP123
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerPolyfet Rf Devices, Inc
StatusACTIVE
Internal ConfigurationFIELD EFFECT
MaterialCERAMIC ENCLOSURE
Semiconductor MaterialSILICON
Terminal Type and Quantity2 TAB, SOLDER LUG
Mounting MethodBRACKET(S)
Voltage Rating in Volts Per Characteristic12.5 MAXIMUM DRAIN SUPPLY VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5995-00-173-2421P-12-3 INTERCHANGEABLE
Cord Assembly,electrical
Fluke Electronics Corp
2910-00-287-316833043 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5930-00-296-4937 INTERCHANGEABLE
Detent,switch
3040-00-493-8636P1-23 INTERCHANGEABLE
Cam Follower
Roller Bearing Co of America, Inc Div Pic Design
6625-01-156-7869 INTERCHANGEABLE
Lead,test
5331-01-313-2975P123 INTERCHANGEABLE
O-Ring
Datamarine Intl Inc
4820-01-377-4068P123 INTERCHANGEABLE
Valve,vent
Alfred Conhagen, Inc.
5950-01-432-27658519515-1 INTERCHANGEABLE
Reactor
Honeywell International Inc. Dba Honeywell International
1375-01-699-2213P-123 INTERCHANGEABLE
Cord,detonating
Detotec North America, Inc
Cross-Reference Index
Part NumberManufacturer
P123 PRIMARY Polyfet Rf Devices, Inc (USA)
Related Parts
5995-00-173-2421INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
P-12-3
2910-00-287-3168INTERCHANGEABLE
FILTER ELEMENT,FLUID
33043
5930-00-296-4937INTERCHANGEABLE
DETENT,SWITCH
3040-00-493-8636INTERCHANGEABLE
CAM FOLLOWER
P1-23
6625-01-156-7869INTERCHANGEABLE
LEAD,TEST
5331-01-313-2975INTERCHANGEABLE
O-RING
P123
4820-01-377-4068INTERCHANGEABLE
VALVE,VENT
P123
5950-01-432-2765INTERCHANGEABLE
REACTOR
8519515-1
1375-01-699-2213INTERCHANGEABLE
CORD,DETONATING
P-123

Frequently Asked Questions

What is NSN 5961-01-510-3522?

NSN 5961-01-510-3522 is a Transistor, manufactured by Polyfet Rf Devices, Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-510-3522?

NSN 5961-01-510-3522 has 1 cross-referenced part number: P123 (Polyfet Rf Devices, Inc).

What NSN replaces 5961-01-510-3522?

There are 9 known substitutes for 5961-01-510-3522: 5995-00-173-2421, 2910-00-287-3168, 5930-00-296-4937 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P123?

Key specifications for P123: Internal Configuration: FIELD EFFECT; Material: CERAMIC ENCLOSURE; Overall Length: 0.744 INCHES MAXIMUM IN; Semiconductor Material: SILICON. 7 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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