PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20633Circuit Card Assembly

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 5998-01-334-5488 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-334-5488 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-334-5488. Primary manufacturer part number: 20633.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-334-5488, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. 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.

Catalog Facts
Item NameCircuit Card Assembly
FSC / FSG5998 — Circuit Card Assembly (FSG 59)
ManufacturersLockheed Martin Corporation Div Lockheed Martin Aeronautics Company (CAGE 81755)
Technical Specifications
ParameterValue
NSN5998-01-334-5488
Primary Part Number20633
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1440-00-063-4394 INTERCHANGEABLE
Spool
5133-00-224-4027 INTERCHANGEABLE
Drill,twist
5340-00-322-06294919998 INTERCHANGEABLE
Damper,shimmy
Cummins Inc.
1660-00-942-855920633 INTERCHANGEABLE
Ring,orific,manifol
Avox Systems Inc Dba Avox Systems Inc
6515-01-503-535120633 INTERCHANGEABLE
Cover,probe,thermometer
Tidi Products Llc
4730-01-516-4819C20633 INTERCHANGEABLE
Elbow,hose
Hydrasearch Company, Llc
Cross-Reference Index
Part NumberManufacturer
20633 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
Related Parts
1440-00-063-4394INTERCHANGEABLE
SPOOL
5133-00-224-4027INTERCHANGEABLE
DRILL,TWIST
5340-00-322-0629INTERCHANGEABLE
DAMPER,SHIMMY
4919998
1660-00-942-8559INTERCHANGEABLE
RING,ORIFIC,MANIFOL
20633
6515-01-503-5351INTERCHANGEABLE
COVER,PROBE,THERMOMETER
20633
4730-01-516-4819INTERCHANGEABLE
ELBOW,HOSE
C20633

Frequently Asked Questions

What is NSN 5998-01-334-5488?

NSN 5998-01-334-5488 is a Circuit Card Assembly, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-334-5488?

NSN 5998-01-334-5488 has 1 cross-referenced part number: 20633 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company).

What NSN replaces 5998-01-334-5488?

There are 6 known substitutes for 5998-01-334-5488: 1440-00-063-4394, 5133-00-224-4027, 5340-00-322-0629 and 3 more. Verify interchangeability with system specifications before substitution.

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