PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21003Semiconductor Device,diode

Biotek Instruments, Inc. Dba Biotek Div Bio-Tek Instruments Llc Dba Biotek Instruments Inc. · NSN 5961-01-249-4469 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-249-4469 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-249-4469. Primary manufacturer part number: 21003.
Features
  • Semiconductor Device,diode — FSC 5961
  • Purchase Description Identification: 56198-21003
  • 1 verified cross-reference
  • Primary manufacturer: Biotek Instruments, Inc. Dba Biotek Div Bio-Tek Instruments Llc Dba Biotek Instruments Inc.
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-249-4469, 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 Biotek Instruments, Inc. Dba Biotek Div Bio-Tek Instruments Llc Dba Biotek Instruments Inc.. Government technical data includes 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-249-4469
Primary Part Number21003
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerBiotek Instruments, Inc. Dba Biotek Div Bio-Tek Instruments Llc Dba Biotek Instruments Inc.
StatusACTIVE
Purchase Description Identification56198-21003
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-170-6721 INTERCHANGEABLE
Electronic Components Assembly
5120-00-204-053021003 INTERCHANGEABLE
Face,hammer,inserted
Garland Manufacturing Co Dba Garland Manufacturing Co Div Uhmw Polyethylene Division
5325-00-276-42487431654-118 INTERCHANGEABLE
Grommet,nonmetallic
Westinghouse Electric Corp
2805-00-391-321021003 INTERCHANGEABLE
Ring,piston
Briggs and Stratton Corp
5960-00-521-022121003 INTERCHANGEABLE
Retainer,electron,t
Leica Inc Surveying and Photogrammetry Systems Div
5325-00-597-51762100-3 INTERCHANGEABLE
Insert,screw Thread
Nafco Usa Llc
5950-00-787-7044 INTERCHANGEABLE
Coil,radio Frequency
5325-00-803-7304 INTERCHANGEABLE
Ring,retaining
5940-00-983-6114 INTERCHANGEABLE
Terminal Board
6685-00-994-102765C INTERCHANGEABLE
Thermometer,self-Indicating
Weksler Glass Thermometer Corp
Cross-Reference Index
Part NumberManufacturer
21003 PRIMARY Biotek Instruments, Inc. Dba Biotek Div Bio-Tek Instruments Llc Dba Biotek Instruments Inc. (USA)
Related Parts
5998-00-170-6721INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5120-00-204-0530INTERCHANGEABLE
FACE,HAMMER,INSERTED
21003
5325-00-276-4248INTERCHANGEABLE
GROMMET,NONMETALLIC
7431654-118
2805-00-391-3210INTERCHANGEABLE
RING,PISTON
21003
5960-00-521-0221INTERCHANGEABLE
RETAINER,ELECTRON,T
21003
5325-00-597-5176INTERCHANGEABLE
INSERT,SCREW THREAD
2100-3
5950-00-787-7044INTERCHANGEABLE
COIL,RADIO FREQUENCY
5325-00-803-7304INTERCHANGEABLE
RING,RETAINING
5940-00-983-6114INTERCHANGEABLE
TERMINAL BOARD
6685-00-994-1027INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
65C
4130-01-017-3319INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
456295
9330-01-255-5405INTERCHANGEABLE
TUBING,PLASTIC,SPIRAL WRAP
706751

Frequently Asked Questions

What is NSN 5961-01-249-4469?

NSN 5961-01-249-4469 is a Semiconductor Device,diode, manufactured by Biotek Instruments, Inc. Dba Biotek Div Bio-Tek Instruments Llc Dba Biotek Instruments Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-249-4469?

NSN 5961-01-249-4469 has 1 cross-referenced part number: 21003 (Biotek Instruments, Inc. Dba Biotek Div Bio-Tek Instruments Llc Dba Biotek Instruments Inc.).

What NSN replaces 5961-01-249-4469?

There are 12 known substitutes for 5961-01-249-4469: 5998-00-170-6721, 5120-00-204-0530, 5325-00-276-4248 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21003?

Key specifications for 21003: Purchase Description Identification: 56198-21003; Special Features: 1-AMP; 200-CAPACITANCE FOR TESTER,DEFIBRILLATOR NSN 6625-00-433-9063; BIO-TEK MODEL QED-III. 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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