PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

221G3126-1-1Microcircuit,digital

Herley Chicago Dba Stewart Warner Electronics · NSN 5962-00-147-4520 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-00-147-4520 — this item is cataloged by the U.S. Government under National Stock Number 5962-00-147-4520. Primary manufacturer part number: 221G3126-1-1.
Features
  • Microcircuit,digital — FSC 5962
  • Features Provided: HERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND MEDIUM POWER AND MEDIUM SPEED
  • Body Height: 0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
  • Precious Material: GOLD
  • Design Function and Quantity: 4 GATE, NAND
  • Inclosure Configuration: DUAL-IN-LINE
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Maximum Power Dissipation Rating: 260.0 MILLIWATTS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-00-147-4520, is classified within Federal Supply Class 5962 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Herley Chicago Dba Stewart Warner Electronics. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-00-147-4520
Primary Part Number221G3126-1-1
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerHerley Chicago Dba Stewart Warner Electronics
StatusACTIVE
Features ProvidedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND MEDIUM POWER AND MEDIUM SPEED
Body Height0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
Precious MaterialGOLD
Design Function and Quantity4 GATE, NAND
Inclosure ConfigurationDUAL-IN-LINE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Maximum Power Dissipation Rating260.0 MILLIWATTS
Body Length0.660 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Inclosure MaterialCERAMIC AND GLASS
Case Outline Source and DesignatorT0-116 JOINT ELECTRON DEVICE ENGINEERING COUNCIL
Test Data Document98738-221G3126 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Voltage Rating and Type Per Characteristic5.5 VOLTS MAXIMUM POWER SOURCE
Time Rating Per Chacteristic50.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 35.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
Body Width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
Input Circuit PatternQUAD 2 INPUT
Terminal Surface TreatmentGOLD
Terminal Type and Quantity14 PRINTED CIRCUIT
Precious Material and LocationTERMINALS GOLD
Output Logic FormDIODE-TRANSISTOR LOGIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5962-00-105-4623U6A995879X INTERCHANGEABLE
Microcircuit,digital
Fairchild Semiconductor Corp
5962-00-420-5495477-0383-002 INTERCHANGEABLE
Microcircuit,digital
The Boeing Company Div Legacy Boeing Hb1
5962-00-520-4567387AS541 INTERCHANGEABLE
Microcircuit,digital
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
958DC Fairchild Semiconductor Corp (USA)
221G3126 Fairchild Semiconductor Corp (USA)
221G3126 Herley Chicago Dba Stewart Warner Electronics (USA)
221G3126-1-1 PRIMARY Herley Chicago Dba Stewart Warner Electronics (USA)
Related Parts
5962-00-105-4623INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
U6A995879X
5962-00-420-5495INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
477-0383-002
5962-00-520-4567INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
387AS541

Frequently Asked Questions

What is NSN 5962-00-147-4520?

NSN 5962-00-147-4520 is a Microcircuit,digital, manufactured by Herley Chicago Dba Stewart Warner Electronics, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-00-147-4520?

NSN 5962-00-147-4520 has 4 cross-referenced part numbers: 958DC (Fairchild Semiconductor Corp), 221G3126 (Fairchild Semiconductor Corp), 221G3126 (Herley Chicago Dba Stewart Warner Electronics), 221G3126-1-1 (Herley Chicago Dba Stewart Warner Electronics).

What NSN replaces 5962-00-147-4520?

There are 3 known substitutes for 5962-00-147-4520: 5962-00-105-4623, 5962-00-420-5495, 5962-00-520-4567. Verify interchangeability with system specifications before substitution.

What are the specifications of 221G3126-1-1?

Key specifications for 221G3126-1-1: Features Provided: HERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND MEDIUM POWER AND MEDIUM SPEED; Body Height: 0.140 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN; Precious Material: GOLD; Design Function and Quantity: 4 GATE, NAND. 20 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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