PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

421006Circuit Card Assembly

Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co · NSN 5998-01-322-1491 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-322-1491 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-322-1491. Primary manufacturer part number: 421006.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-322-1491, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCircuit Card Assembly
FSC / FSG5998 — Circuit Card Assembly (FSG 59)
ManufacturersAirco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co (CAGE 95750)
Technical Specifications
ParameterValue
NSN5998-01-322-1491
Primary Part Number421006
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerAirco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-01-306-9938421006 INTERCHANGEABLE
Seal,plain Encased
Wallace-Murray Corp Ohio Gear Div
6515-01-574-1767421.006 INTERCHANGEABLE
Plate,orbital,maxillofacial Surg
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
421006 Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co (USA)
Related Parts
5330-01-306-9938INTERCHANGEABLE
SEAL,PLAIN ENCASED
421006
6515-01-574-1767INTERCHANGEABLE
PLATE,ORBITAL,MAXILLOFACIAL SURG
421.006

Frequently Asked Questions

What is NSN 5998-01-322-1491?

NSN 5998-01-322-1491 is a Circuit Card Assembly, manufactured by Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-322-1491?

NSN 5998-01-322-1491 has 1 cross-referenced part number: 421006 (Airco Republic Electronics, Inc. Div the Aeronautical Instrument & Radio Co).

What NSN replaces 5998-01-322-1491?

There are 2 known substitutes for 5998-01-322-1491: 5330-01-306-9938, 6515-01-574-1767. Verify interchangeability with system specifications before substitution.

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