PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

550021Circuit Card Assembly

K-a South a Div of the Kuras- Alterman Corp · NSN 5998-01-063-3498 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-063-3498 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-063-3498. Primary manufacturer part number: 550021.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: K-a South a Div of the Kuras- Alterman Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-063-3498, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is K-a South a Div of the Kuras- Alterman Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-063-3498
Primary Part Number550021
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerK-a South a Div of the Kuras- Alterman Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeP
Unit of IssueEA
SMR CodeJF
Verified Substitutes 4
1377-00-112-26067359 INTERCHANGEABLE
Bolt,explosive
Quantic Industries, Inc. Dba Quantic-Holex
3110-00-293-93020042980-3 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
4730-01-466-5206550-021 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Electric Boat Corporation Div General Dynamics Electric Boat
5365-01-540-4356550021 INTERCHANGEABLE
Spacer,straight
A V Technology Llc
Cross-Reference Index
Part NumberManufacturer
550021 K-a South a Div of the Kuras- Alterman Corp (USA)
Related Parts
1377-00-112-2606INTERCHANGEABLE
BOLT,EXPLOSIVE
7359
3110-00-293-9302INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042980-3
4730-01-466-5206INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
550-021
5365-01-540-4356INTERCHANGEABLE
SPACER,STRAIGHT
550021

Frequently Asked Questions

What is NSN 5998-01-063-3498?

NSN 5998-01-063-3498 is a Circuit Card Assembly, manufactured by K-a South a Div of the Kuras- Alterman Corp, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-063-3498?

NSN 5998-01-063-3498 has 1 cross-referenced part number: 550021 (K-a South a Div of the Kuras- Alterman Corp).

What NSN replaces 5998-01-063-3498?

There are 4 known substitutes for 5998-01-063-3498: 1377-00-112-2606, 3110-00-293-9302, 4730-01-466-5206 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 550021?

Key specifications for 550021: End Item Identification: AN/MSR-1; End Item Identification: AN/MSR-1. 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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