PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

664664Circuit Card Assembly

Watkins-Johnson Co · NSN 5998-01-320-4242 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-320-4242 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-320-4242. Primary manufacturer part number: 664664.
Features
  • Circuit Card Assembly — FSC 5998
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Criticality Code Justification: CBBL
  • 4 verified cross-references
  • Primary manufacturer: Watkins-Johnson 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 5998-01-320-4242, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Watkins-Johnson Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-320-4242
Primary Part Number664664
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerWatkins-Johnson Co
StatusACTIVE
Features ProvidedELECTROSTATIC SENSITIVE
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
Criticality Code JustificationCBBL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeT
Unit of IssueEA
SMR CodeCT
Weight1.0000 lbs
Cube0.3025 cu ft
Verified Substitutes 2
3110-00-155-95651315MWI INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
1560-00-607-211866-4664 INTERCHANGEABLE
Shoe,throttle Brake Control
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
664664 Watkins-Johnson Co (USA)
664664-001 Watkins-Johnson Co (USA)
664664-001 Harris Corporation Dba Edo Reconnaissance and Surveillance Systems Div Ew Recon and Surveillance Systems (USA)
664664-001 L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
3110-00-155-9565INTERCHANGEABLE
BEARING,BALL,ANNULAR
1315MWI
1560-00-607-2118INTERCHANGEABLE
SHOE,THROTTLE BRAKE CONTROL
66-4664

Frequently Asked Questions

What is NSN 5998-01-320-4242?

NSN 5998-01-320-4242 is a Circuit Card Assembly, manufactured by Watkins-Johnson Co, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-320-4242?

NSN 5998-01-320-4242 has 4 cross-referenced part numbers: 664664 (Watkins-Johnson Co), 664664-001 (Watkins-Johnson Co), 664664-001 (Harris Corporation Dba Edo Reconnaissance and Surveillance Systems Div Ew Recon and Surveillance Systems), 664664-001 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5998-01-320-4242?

There are 2 known substitutes for 5998-01-320-4242: 3110-00-155-9565, 1560-00-607-2118. Verify interchangeability with system specifications before substitution.

What are the specifications of 664664?

Key specifications for 664664: Features Provided: ELECTROSTATIC SENSITIVE; Part Name Assigned by Controlling Agency: DF INTERFACE; Criticality Code Justification: CBBL; End Item Identification: AC-130H EW SYS; AN/APR-46A(V)1 A. 8 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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