PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21271-1Printed Circuit Board

Coda Octopus Engineering, Inc. · NSN 5998-01-555-7556 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-555-7556 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-555-7556. Primary manufacturer part number: 21271-1.
Features
  • Printed Circuit Board — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Coda Octopus Engineering, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Printed Circuit Board, cataloged under National Stock Number 5998-01-555-7556, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Coda Octopus Engineering, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5998-01-555-7556
Primary Part Number21271-1
Item NamePrinted Circuit Board
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerCoda Octopus Engineering, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeJH
Verified Substitutes 2
6340-00-213-659221271-1 INTERCHANGEABLE
Bracket Assembly,fire Detector
Meggitt (new Hampshire), Inc
5950-01-012-30952127-121 INTERCHANGEABLE
Transformer,power
Specialty Lighting, Inc Div Specialty Lighting
Cross-Reference Index
Part NumberManufacturer
21271-1 PRIMARY Coda Octopus Engineering, Inc. (USA)
Related Parts
6340-00-213-6592INTERCHANGEABLE
BRACKET ASSEMBLY,FIRE DETECTOR
21271-1
5950-01-012-3095INTERCHANGEABLE
TRANSFORMER,POWER
2127-121

Frequently Asked Questions

What is NSN 5998-01-555-7556?

NSN 5998-01-555-7556 is a Printed Circuit Board, manufactured by Coda Octopus Engineering, Inc., classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-555-7556?

NSN 5998-01-555-7556 has 1 cross-referenced part number: 21271-1 (Coda Octopus Engineering, Inc.).

What NSN replaces 5998-01-555-7556?

There are 2 known substitutes for 5998-01-555-7556: 6340-00-213-6592, 5950-01-012-3095. Verify interchangeability with system specifications before substitution.

What are the specifications of 21271-1?

Key specifications for 21271-1: Special Features: ITEM NAME TEXT IS PRINTED CIRCUIT BOARD; End Item Identification: AN/AQS-24A, UNIT 2, CONTROL AND DATA PROCESSOR A; Special Features: ITEM NAME TEXT IS PRINTED CIRCUIT BOARD; End Item Identification: AN/AQS-24A, UNIT 2, CONTROL AND DATA PROCESSOR A. 4 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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