PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2A3Circuit Card Assembly

Flightmatic Inc · NSN 5998-01-073-3973 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-073-3973 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-073-3973. Primary manufacturer part number: 2A3.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Flightmatic Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-073-3973, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Flightmatic Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-073-3973
Primary Part Number2A3
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerFlightmatic Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 6
5960-00-114-3868 INTERCHANGEABLE
Electron Tube
5960-00-630-4607 INTERCHANGEABLE
Retainer,electron Tube
6210-00-930-632314546-2 INTERCHANGEABLE
Lens,light
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5930-00-971-42342A3 INTERCHANGEABLE
Push Button,switch
Honeywell International Inc. Dba Honeyweel Sensing & Controls
4330-01-022-4417A-3 INTERCHANGEABLE
Filter Element,fluid
Schroeder Industries Llc
5960-01-027-8833 INTERCHANGEABLE
Electron Tube
Cross-Reference Index
Part NumberManufacturer
2A3 PRIMARY Flightmatic Inc (USA)
Related Parts
5960-00-114-3868INTERCHANGEABLE
ELECTRON TUBE
5960-00-630-4607INTERCHANGEABLE
RETAINER,ELECTRON TUBE
6210-00-930-6323INTERCHANGEABLE
LENS,LIGHT
14546-2
5930-00-971-4234INTERCHANGEABLE
PUSH BUTTON,SWITCH
2A3
4330-01-022-4417INTERCHANGEABLE
FILTER ELEMENT,FLUID
A-3
5960-01-027-8833INTERCHANGEABLE
ELECTRON TUBE

Frequently Asked Questions

What is NSN 5998-01-073-3973?

NSN 5998-01-073-3973 is a Circuit Card Assembly, manufactured by Flightmatic Inc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-073-3973?

NSN 5998-01-073-3973 has 1 cross-referenced part number: 2A3 (Flightmatic Inc).

What NSN replaces 5998-01-073-3973?

There are 6 known substitutes for 5998-01-073-3973: 5960-00-114-3868, 5960-00-630-4607, 6210-00-930-6323 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2A3?

Key specifications for 2A3: End Item Identification: 6930-01-027-9803 SPATIAL DISORIENTATION TRAINER (201F); End Item Identification: 6930-01-027-9803 SPATIAL DISORIENTATION TRAINER (201F). 2 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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