PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

321MGMicrocircuit,digital

Telcom Semiconductor Inc · NSN 5962-00-487-4556 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-00-487-4556 — this item is cataloged by the U.S. Government under National Stock Number 5962-00-487-4556. Primary manufacturer part number: 321MG.
Features
  • Microcircuit,digital — FSC 5962
  • Features Provided: HERMETICALLY SEALED AND EXPANDABLE AND W/BUFFERED OUTPUT AND MONOLITHIC AND POSITIVE OUTPUTS
  • Maximum Power Dissipation Rating: 96.0 MILLIWATTS
  • Inclosure Material: GLASS AND METAL
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Body Outside Diameter: 0.540 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
  • Input Circuit Pattern: QUAD 2 INPUT
  • Storage Temp Range: -65.0 TO 150.0 CELSIUS DEGC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,digital, cataloged under National Stock Number 5962-00-487-4556, 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 Telcom Semiconductor Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5962-00-487-4556
Primary Part Number321MG
Item NameMicrocircuit,digital
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerTelcom Semiconductor Inc
StatusCANCELLED
Features ProvidedHERMETICALLY SEALED AND EXPANDABLE AND W/BUFFERED OUTPUT AND MONOLITHIC AND POSITIVE OUTPUTS
Maximum Power Dissipation Rating96.0 MILLIWATTS
Inclosure MaterialGLASS AND METAL
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Outside Diameter0.540 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
Input Circuit PatternQUAD 2 INPUT
Storage Temp Range-65.0 TO 150.0 CELSIUS DEGC
Design Function and Quantity4 GATE, NAND
Inclosure ConfigurationCAN
Body Height0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5962-00-197-478420200015 INTERCHANGEABLE
Microcircuit,digital
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
5962-00-321-8423932447-501B INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Dba Raytheon
5962-00-365-5721 INTERCHANGEABLE
Microcircuit,linear
5962-00-473-3552117603-001 INTERCHANGEABLE
Microcircuit,digital
L3harris Technologies, Inc.
5962-00-487-4557 INTERCHANGEABLE
Microcircuit,digital
5962-00-489-0008 INTERCHANGEABLE
Microcircuit,digital
5962-01-083-4317 INTERCHANGEABLE
Microcircuit,linear
Cross-Reference Index
Part NumberManufacturer
321MG Telcom Semiconductor Inc (USA)
321BG15V Telcom Semiconductor Inc (USA)
DMS 80082B Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
431-001-9002 Honeywell International, Inc Div Aerospace-Tucson (USA)
321BG Telcom Semiconductor Inc (USA)
Related Parts
5962-00-197-4784INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
20200015
5962-00-321-8423INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
932447-501B
5962-00-365-5721INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-00-473-3552INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
117603-001
5962-00-487-4557INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-00-489-0008INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-083-4317INTERCHANGEABLE
MICROCIRCUIT,LINEAR

Frequently Asked Questions

What is NSN 5962-00-487-4556?

NSN 5962-00-487-4556 is a Microcircuit,digital, manufactured by Telcom Semiconductor Inc, classified under FSC 5962 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5962-00-487-4556?

NSN 5962-00-487-4556 has 5 cross-referenced part numbers: 321MG (Telcom Semiconductor Inc), 321BG15V (Telcom Semiconductor Inc), DMS 80082B (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 431-001-9002 (Honeywell International, Inc Div Aerospace-Tucson), 321BG (Telcom Semiconductor Inc).

What NSN replaces 5962-00-487-4556?

There are 7 known substitutes for 5962-00-487-4556: 5962-00-197-4784, 5962-00-321-8423, 5962-00-365-5721 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 321MG?

Key specifications for 321MG: Features Provided: HERMETICALLY SEALED AND EXPANDABLE AND W/BUFFERED OUTPUT AND MONOLITHIC AND POSITIVE OUTPUTS; Maximum Power Dissipation Rating: 96.0 MILLIWATTS; Inclosure Material: GLASS AND METAL; Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5962-00-487-4556 still in active supply?

NSN 5962-00-487-4556 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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