PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B1Circuit Card Assembly

Opto 22 · NSN 5998-01-347-7997 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-347-7997 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-347-7997. Primary manufacturer part number: B1.
Features
  • Circuit Card Assembly — FSC 5998
  • Specification/standard Data: 55442-B1 MANUFACTURERS STANDARD
  • Specification/standard Data: 55442-B1 MANUFACTURERS STANDARD
  • 3 verified cross-references
  • Primary manufacturer: Opto 22
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-347-7997, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Opto 22. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5998-01-347-7997
Primary Part NumberB1
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerOpto 22
StatusACTIVE
Specification/standard Data55442-B1 MANUFACTURERS STANDARD
Specification/standard Data55442-B1 MANUFACTURERS STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 2
6625-00-853-0241B1 SUCCESSOR
Voltmeter
Custom Metering Company Inc
6145-00-128-8690B1 INTERCHANGEABLE
Wire,electrical
American Society for Testing and Materials Dba Astm International
Cross-Reference Index
Part NumberManufacturer
2004399R00 Sfim Ods (groupe Sfim) (FRA)
B1 PRIMARY Opto 22 (USA)
2004399R00 Safran (FRA)
Related Parts
6625-00-853-0241SUCCESSOR
VOLTMETER
B1
6145-00-128-8690INTERCHANGEABLE
WIRE,ELECTRICAL
B1

Frequently Asked Questions

What is NSN 5998-01-347-7997?

NSN 5998-01-347-7997 is a Circuit Card Assembly, manufactured by Opto 22, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-347-7997?

NSN 5998-01-347-7997 has 3 cross-referenced part numbers: 2004399R00 (Sfim Ods (groupe Sfim)), B1 (Opto 22), 2004399R00 (Safran).

What NSN replaces 5998-01-347-7997?

There are 2 known substitutes for 5998-01-347-7997: 6625-00-853-0241, 6145-00-128-8690. Verify interchangeability with system specifications before substitution.

What are the specifications of B1?

Key specifications for B1: Specification/standard Data: 55442-B1 MANUFACTURERS STANDARD; Specification/standard Data: 55442-B1 MANUFACTURERS STANDARD. 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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