PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

688658-01Circuit Card Assembly

Cae Usa Inc. · NSN 5998-00-991-9984 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-991-9984 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-991-9984. Primary manufacturer part number: 688658-01.
Features
  • Circuit Card Assembly — FSC 5998
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Criticality Code Justification: CBBL
  • 3 verified cross-references
  • Primary manufacturer: Cae Usa 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 5998-00-991-9984, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cae Usa Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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.

Technical Specifications
ParameterValue
NSN5998-00-991-9984
Primary Part Number688658-01
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerCae Usa Inc.
StatusACTIVE
Features ProvidedELECTROSTATIC SENSITIVE
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
Criticality Code JustificationCBBL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-01-180-5937688658 INTERCHANGEABLE
Seal,plain Encased
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
Cross-Reference Index
Part NumberManufacturer
688658-01 Raytheon Technical Services Company (USA)
688658-01 PRIMARY Cae Usa Inc. (USA)
688658 Raytheon Technical Services Company (USA)
Related Parts
5330-01-180-5937INTERCHANGEABLE
SEAL,PLAIN ENCASED
688658

Frequently Asked Questions

What is NSN 5998-00-991-9984?

NSN 5998-00-991-9984 is a Circuit Card Assembly, manufactured by Cae Usa Inc., classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-991-9984?

NSN 5998-00-991-9984 has 3 cross-referenced part numbers: 688658-01 (Raytheon Technical Services Company), 688658-01 (Cae Usa Inc.), 688658 (Raytheon Technical Services Company).

What NSN replaces 5998-00-991-9984?

There is 1 known substitute for 5998-00-991-9984: 5330-01-180-5937. Verify interchangeability with system specifications before substitution.

What are the specifications of 688658-01?

Key specifications for 688658-01: Overall Height: 0.750 INCHES NOMINAL IN; Overall Width: 7.500 INCHES NOMINAL IN; Features Provided: ELECTROSTATIC SENSITIVE; Special Features: CAP 4,INTEGRATED CIRCUIT 44,PWB 1;CONTACT PIN MOUNTED. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com