PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

373298-1Circuit Card Assembly

Telephonics Corporation · NSN 5998-00-421-8565 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-421-8565 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-421-8565. Primary manufacturer part number: 373298-1.
Features
  • Circuit Card Assembly — FSC 5998
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • 2 verified cross-references
  • Primary manufacturer: Telephonics Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-421-8565, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Telephonics Corporation. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-00-421-8565
Primary Part Number373298-1
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerTelephonics Corporation
StatusACTIVE
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJF
Weight0.2500 lbs
Cube0.0397 cu ft
Verified Substitutes 1
5950-00-595-532317108 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
Cross-Reference Index
Part NumberManufacturer
373298-1 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
373298-1 PRIMARY Telephonics Corporation (USA)
Related Parts
5950-00-595-5323INTERCHANGEABLE
TRANSFORMER,POWER
17108

Frequently Asked Questions

What is NSN 5998-00-421-8565?

NSN 5998-00-421-8565 is a Circuit Card Assembly, manufactured by Telephonics Corporation, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-421-8565?

NSN 5998-00-421-8565 has 2 cross-referenced part numbers: 373298-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 373298-1 (Telephonics Corporation).

What NSN replaces 5998-00-421-8565?

There is 1 known substitute for 5998-00-421-8565: 5950-00-595-5323. Verify interchangeability with system specifications before substitution.

What are the specifications of 373298-1?

Key specifications for 373298-1: Special Features: PRINTED WIRING BOARD 1,CAPACITOR 2,INTEGRATED CIRCUIT 5; MOUNTING CONFIGURATION:PLUG-IN MTD; Overall Height: 0.625 INCHES NOMINAL IN; Overall Width: 3.000 INCHES NOMINAL IN; Overall Length: 4.800 INCHES NOMINAL IN. 14 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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