PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DM54LS221JMicrocircuit,digital

National Semiconductor Corporation · NSN 5962-01-170-2333 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-170-2333 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-170-2333. Primary manufacturer part number: DM54LS221J.
Features
  • Microcircuit,digital — FSC 5962
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Special Test Features: TESTED PER BASE TEN SYSTEMS DWG 21801
  • Features Provided: W/SCHMITT TRIGGER AND MONOLITHIC
  • Body Height: 0.180 INCHES NOMINAL IN
  • Body Length: 0.785 INCHES MAXIMUM IN
  • Inclosure Material: CERAMIC
  • Design Function and Quantity: 2 MULTIVIBRATOR, MONOSTABLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-170-2333, 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 National Semiconductor Corporation. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-170-2333
Primary Part NumberDM54LS221J
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerNational Semiconductor Corporation
StatusACTIVE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Special Test FeaturesTESTED PER BASE TEN SYSTEMS DWG 21801
Features ProvidedW/SCHMITT TRIGGER AND MONOLITHIC
Body Height0.180 INCHES NOMINAL IN
Body Length0.785 INCHES MAXIMUM IN
Inclosure MaterialCERAMIC
Design Function and Quantity2 MULTIVIBRATOR, MONOSTABLE
Body Width0.280 INCHES MAXIMUM IN
Inclosure ConfigurationDUAL-IN-LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3120-00-182-849021801 INTERCHANGEABLE
Bushing,sleeve
Regal-Beloit Corporation Dba Fasco Group Div Cassville Division
5120-00-293-001021801 INTERCHANGEABLE
Clamp,screw,quick Adjusting
Wilton Corp Wilton Tool Div
4820-00-407-64492180-1 INTERCHANGEABLE
Valve,ball
Crane Co Div Valve Div
5955-00-581-8762TC014G INTERCHANGEABLE
Oven,electrical-Electronic Compo
Bliley Technologies Inc
5950-00-760-9323240-0887-060 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5962-01-067-4987 INTERCHANGEABLE
Microcircuit,digital
5962-01-076-5898SN54LS221J INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5360-01-308-242321801 INTERCHANGEABLE
Spring
Elbitamerica, Inc.
5360-01-315-7271 INTERCHANGEABLE
Spring,helical,compression
5306-01-614-359621801 INTERCHANGEABLE
Bolt,machine
Fastenal Company Dba Fastenal Co Div Ilmon
Cross-Reference Index
Part NumberManufacturer
SN54LS221JA Adelco Elektronik Gmbh (DEU)
VIT311004J Teledyne Uk Limited (GBR)
SN54LS221J Adelco Elektronik Gmbh (DEU)
21801 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
SN54LS221J Lacon Electronic Gmbh (DEU)
DM54LS221J PRIMARY National Semiconductor Corporation (USA)
SN54LS221J PRIMARY Texas Instruments Incorporated (USA)
VIT311004J Leonardo Uk Ltd (GBR)
Related Parts
3120-00-182-8490INTERCHANGEABLE
BUSHING,SLEEVE
21801
5120-00-293-0010INTERCHANGEABLE
CLAMP,SCREW,QUICK ADJUSTING
21801
4820-00-407-6449INTERCHANGEABLE
VALVE,BALL
2180-1
5955-00-581-8762INTERCHANGEABLE
OVEN,ELECTRICAL-ELECTRONIC COMPO
TC014G
5950-00-760-9323INTERCHANGEABLE
COIL,RADIO FREQUENCY
240-0887-060
5962-01-067-4987INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-076-5898INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN54LS221J
5360-01-308-2423INTERCHANGEABLE
SPRING
21801
5360-01-315-7271INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5306-01-614-3596INTERCHANGEABLE
BOLT,MACHINE
21801
5331-01-685-9061INTERCHANGEABLE
O-RING
21801

Frequently Asked Questions

What is NSN 5962-01-170-2333?

NSN 5962-01-170-2333 is a Microcircuit,digital, manufactured by National Semiconductor Corporation, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-170-2333?

NSN 5962-01-170-2333 has 8 cross-referenced part numbers: SN54LS221JA (Adelco Elektronik Gmbh), VIT311004J (Teledyne Uk Limited), SN54LS221J (Adelco Elektronik Gmbh), 21801 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), SN54LS221J (Lacon Electronic Gmbh) and 3 more.

What NSN replaces 5962-01-170-2333?

There are 11 known substitutes for 5962-01-170-2333: 3120-00-182-8490, 5120-00-293-0010, 4820-00-407-6449 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DM54LS221J?

Key specifications for DM54LS221J: Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC; Special Test Features: TESTED PER BASE TEN SYSTEMS DWG 21801; Features Provided: W/SCHMITT TRIGGER AND MONOLITHIC; Body Height: 0.180 INCHES NOMINAL IN. 9 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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