PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SN74121(N OR J)Microcircuit,digital

Texas Instruments Incorporated · NSN 5962-01-129-2379 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-129-2379 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-129-2379. Primary manufacturer part number: SN74121(N OR J).
Features
  • Microcircuit,digital — FSC 5962
  • Design Function and Quantity: 1 MULTIVIBRATOR, MONOSTABLE
  • Input Circuit Pattern: 3 INPUT
  • Body Length: 0.710 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
  • Body Width: 0.250 INCHES NOMINAL IN
  • Body Height: 0.180 INCHES NOMINAL IN
  • Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC
  • Features Provided: DUAL NEGATIVE EDGE TRIGGERED AND POSITIVE EDGE TRIGGERED AND INTERNALLY COMPENSATED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-129-2379, 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 Texas Instruments Incorporated. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-129-2379
Primary Part NumberSN74121(N OR J)
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerTexas Instruments Incorporated
StatusACTIVE
Design Function and Quantity1 MULTIVIBRATOR, MONOSTABLE
Input Circuit Pattern3 INPUT
Body Length0.710 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
Body Width0.250 INCHES NOMINAL IN
Body Height0.180 INCHES NOMINAL IN
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Features ProvidedDUAL NEGATIVE EDGE TRIGGERED AND POSITIVE EDGE TRIGGERED AND INTERNALLY COMPENSATED
Operating Temp Range-0.0 TO 70.0 CELSIUS DEGC
Test Data Document80009-156-0072-00 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)
Time Rating Per Chacteristic70.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, LOW TO HIGH LEVEL OUTPUT AND 80.00 NANOSECONDS MAXIMUM PROPAGATION DELAY TIME, HIGH TO LOW LEVEL OUTPUT NS
Inclosure ConfigurationDUAL-IN-LINE
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Inclosure MaterialPLASTIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-00-446-5867SN74121N INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5962-01-113-618674121PC INTERCHANGEABLE
Microcircuit,digital
Fairchild Semiconductor Corp
Cross-Reference Index
Part NumberManufacturer
SN74121(N OR J) Texas Instruments Incorporated (USA)
DM8852 National Semiconductor Corporation (USA)
156-0072-00 Tektronix, Inc. (USA)
74121(PC OR DC) Fairchild Semiconductor Corp (USA)
5014683-058 Thales Uk Limited Dba Thales Uk Ltd Training and Simulation (GBR)
N74121(N OR F) Philips Semiconductors Inc (USA)
5014683-058 Singer Link-Miles Ltd (GBR)
DM74121N Fairchild Semiconductor Corp (USA)
DM74121(N OR J) National Semiconductor Corporation (USA)
Related Parts
5962-00-446-5867INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN74121N
5962-01-113-6186INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
74121PC

Frequently Asked Questions

What is NSN 5962-01-129-2379?

NSN 5962-01-129-2379 is a Microcircuit,digital, manufactured by Texas Instruments Incorporated, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-129-2379?

NSN 5962-01-129-2379 has 9 cross-referenced part numbers: SN74121(N OR J) (Texas Instruments Incorporated), DM8852 (National Semiconductor Corporation), 156-0072-00 (Tektronix, Inc.), 74121(PC OR DC) (Fairchild Semiconductor Corp), 5014683-058 (Thales Uk Limited Dba Thales Uk Ltd Training and Simulation) and 4 more.

What NSN replaces 5962-01-129-2379?

There are 2 known substitutes for 5962-01-129-2379: 5962-00-446-5867, 5962-01-113-6186. Verify interchangeability with system specifications before substitution.

What are the specifications of SN74121(N OR J)?

Key specifications for SN74121(N OR J): Design Function and Quantity: 1 MULTIVIBRATOR, MONOSTABLE; Input Circuit Pattern: 3 INPUT; Body Length: 0.710 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN; Body Width: 0.250 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com