PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20291Microcircuit,digital

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5962-01-169-4810 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-169-4810 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-169-4810. Primary manufacturer part number: 20291.
Features
  • Microcircuit,digital — FSC 5962
  • Features Provided: W/OPEN COLLECTOR
  • Body Length: 0.785 INCHES MAXIMUM IN
  • Design Function and Quantity: 4 GATE, NAND
  • Inclosure Material: CERAMIC
  • Body Height: 0.180 INCHES NOMINAL IN
  • Input Circuit Pattern: QUAD 2 INPUT
  • Output Logic Form: TRANSISTOR-TRANSISTOR LOGIC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-01-169-4810, 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 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 11 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-169-4810
Primary Part Number20291
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
Features ProvidedW/OPEN COLLECTOR
Body Length0.785 INCHES MAXIMUM IN
Design Function and Quantity4 GATE, NAND
Inclosure MaterialCERAMIC
Body Height0.180 INCHES NOMINAL IN
Input Circuit PatternQUAD 2 INPUT
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Special Test FeaturesTESTED PER BASE TEN SYSTEMS DWG 20291
Body Width0.280 INCHES MAXIMUM IN
Inclosure ConfigurationDUAL-IN-LINE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4820-00-308-985120291 INTERCHANGEABLE
Packing Set,stuffin
Leslie Controls, Inc. Dba Leslie Controls Inc
5962-01-064-1319SN54LS03J INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
2815-01-074-827322205 INTERCHANGEABLE
Injector Assembly,f
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5320-01-110-7955 INTERCHANGEABLE
Rivet,blind
5340-01-138-367362RB11450000 INTERCHANGEABLE
Cap,protective,dust and Moisture
Pall Aeropower Corporation
6680-01-218-3656 INTERCHANGEABLE
Meter,flow Rate Indicating
4820-01-231-27132029101S0071 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
2520-01-275-4111 INTERCHANGEABLE
Shaft,axle,automotive
4820-01-370-5538B7416.002.103 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-377-686120291A0350065 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
SN54LS03J Freescale Semiconductor, Inc. (USA)
20291 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
SN54LS03J Lacon Electronic Gmbh (DEU)
SN54LS03J Adelco Elektronik Gmbh (DEU)
S54LS03F Philips Semiconductors Inc (USA)
DM54LS03J National Semiconductor Corporation (USA)
SN54LS03JA Adelco Elektronik Gmbh (DEU)
SN54LS03J Texas Instruments Incorporated (USA)
Related Parts
4820-00-308-9851INTERCHANGEABLE
PACKING SET,STUFFIN
20291
5962-01-064-1319INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SN54LS03J
2815-01-074-8273INTERCHANGEABLE
INJECTOR ASSEMBLY,F
22205
5320-01-110-7955INTERCHANGEABLE
RIVET,BLIND
5340-01-138-3673INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
62RB11450000
6680-01-218-3656INTERCHANGEABLE
METER,FLOW RATE INDICATING
4820-01-231-2713INTERCHANGEABLE
VALVE,SAFETY RELIEF
2029101S0071
2520-01-275-4111INTERCHANGEABLE
SHAFT,AXLE,AUTOMOTIVE
4820-01-370-5538INTERCHANGEABLE
DISK,VALVE
B7416.002.103
4820-01-377-6861INTERCHANGEABLE
VALVE,SAFETY RELIEF
20291A0350065

Frequently Asked Questions

What is NSN 5962-01-169-4810?

NSN 5962-01-169-4810 is a Microcircuit,digital, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-169-4810?

NSN 5962-01-169-4810 has 8 cross-referenced part numbers: SN54LS03J (Freescale Semiconductor, Inc.), 20291 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), SN54LS03J (Lacon Electronic Gmbh), SN54LS03J (Adelco Elektronik Gmbh), S54LS03F (Philips Semiconductors Inc) and 3 more.

What NSN replaces 5962-01-169-4810?

There are 10 known substitutes for 5962-01-169-4810: 4820-00-308-9851, 5962-01-064-1319, 2815-01-074-8273 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20291?

Key specifications for 20291: Features Provided: W/OPEN COLLECTOR; Body Length: 0.785 INCHES MAXIMUM IN; Design Function and Quantity: 4 GATE, NAND; Inclosure Material: CERAMIC. 11 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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