PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27800-503Circuit Card Assembly

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5998-01-426-8650 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-426-8650 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-426-8650. Primary manufacturer part number: 27800-503.
Features
  • Circuit Card Assembly — FSC 5998
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Criticality Code Justification: CBBL
  • 2 verified cross-references
  • Primary manufacturer: Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-426-8650, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-426-8650
Primary Part Number27800-503
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
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
Verified Substitutes 6
2530-00-161-296427-800 INTERCHANGEABLE
Kingpin,wheel Spindle
Pdi Ground Support Systems, Inc.
4820-00-306-485027800 INTERCHANGEABLE
Valve,plug
Woodward Hrt Inc
5950-00-575-692227800 INTERCHANGEABLE
Transformer
Freed Transformer Co
5935-00-823-021727-800 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
5325-01-350-706914-020000 INTERCHANGEABLE
Grommet,nonmetallic
Illinois Tool Works Inc Deltar Div
5998-01-426-864827800-501 INTERCHANGEABLE
Circuit Card Assembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
27800 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
27800-503 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
2530-00-161-2964INTERCHANGEABLE
KINGPIN,WHEEL SPINDLE
27-800
4820-00-306-4850INTERCHANGEABLE
VALVE,PLUG
27800
5950-00-575-6922INTERCHANGEABLE
TRANSFORMER
27800
5935-00-823-0217INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
27-800
5325-01-350-7069INTERCHANGEABLE
GROMMET,NONMETALLIC
14-020000
5998-01-426-8648INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
27800-501

Frequently Asked Questions

What is NSN 5998-01-426-8650?

NSN 5998-01-426-8650 is a Circuit Card Assembly, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-426-8650?

NSN 5998-01-426-8650 has 2 cross-referenced part numbers: 27800 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 27800-503 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What NSN replaces 5998-01-426-8650?

There are 6 known substitutes for 5998-01-426-8650: 2530-00-161-2964, 4820-00-306-4850, 5950-00-575-6922 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27800-503?

Key specifications for 27800-503: End Item Identification: A10- AIM 9 TEST STA.; Features Provided: ELECTROSTATIC SENSITIVE; Criticality Code Justification: CBBL; Part Name Assigned by Controlling Agency: DATA TRANSMISSION LINE. 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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