PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D1-28Transistor

Varian Associates Inc Communications Transistor Div · NSN 5961-01-034-5215 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-034-5215 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-034-5215. Primary manufacturer part number: D1-28.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Voltage Rating in Volts Per Characteristic: 28.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
  • 2 verified cross-references
  • Primary manufacturer: Varian Associates Inc Communications Transistor Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-034-5215, 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 Varian Associates Inc Communications Transistor Div. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-034-5215
Primary Part NumberD1-28
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerVarian Associates Inc Communications Transistor Div
StatusACTIVE
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Voltage Rating in Volts Per Characteristic28.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-305-15071213459-1 INTERCHANGEABLE
Washer,saddle
Honeywell Intl Inc Defense Avionics Systems
2520-00-733-73347337334 INTERCHANGEABLE
Parts Kit,universal Joint
U S Army Tank Automotive Command Amsta-Im-Mm
5310-00-795-30291JC8039H04 INTERCHANGEABLE
Washer,saddle
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6550-01-461-6537 INTERCHANGEABLE
Cleaning Solution a
Cross-Reference Index
Part NumberManufacturer
D1-28 PRIMARY Varian Associates Inc Communications Transistor Div (USA)
560568 Thales Six Gts France SAS (FRA)
Related Parts
5310-00-305-1507INTERCHANGEABLE
WASHER,SADDLE
1213459-1
2520-00-733-7334INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
7337334
5310-00-795-3029INTERCHANGEABLE
WASHER,SADDLE
1JC8039H04
6550-01-461-6537INTERCHANGEABLE
CLEANING SOLUTION A

Frequently Asked Questions

What is NSN 5961-01-034-5215?

NSN 5961-01-034-5215 is a Transistor, manufactured by Varian Associates Inc Communications Transistor Div, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-034-5215?

NSN 5961-01-034-5215 has 2 cross-referenced part numbers: D1-28 (Varian Associates Inc Communications Transistor Div), 560568 (Thales Six Gts France SAS).

What NSN replaces 5961-01-034-5215?

There are 4 known substitutes for 5961-01-034-5215: 5310-00-305-1507, 2520-00-733-7334, 5310-00-795-3029 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D1-28?

Key specifications for D1-28: Power Rating Per Characteristic: 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION; Voltage Rating in Volts Per Characteristic: 28.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN. 2 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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