PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21254GCircuit Card Assembly

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5998-01-097-8501 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-097-8501 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-097-8501. Primary manufacturer part number: 21254G.
Features
  • Circuit Card Assembly — FSC 5998
  • 3 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 5998-01-097-8501, 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. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5998-01-097-8501
Primary Part Number21254G
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4720-00-080-3875 INTERCHANGEABLE
Hose,preformed
5950-00-155-948212Z13002-6 INTERCHANGEABLE
Reactor
Nurnberg Thermometer Co Inc
5110-00-243-2016C24593 INTERCHANGEABLE
Reamer,hand
Kennametal Inc. Div Kennametal Industrial Products Group
5930-00-392-094921254 INTERCHANGEABLE
Retainer,electrical Switch
Mason Electric Co. Dba Mason Controls
6665-01-104-725421254 INTERCHANGEABLE
Radiac Set
Mirion Technologies (canberra), Inc.
5815-01-171-1605 INTERCHANGEABLE
Switch,bilateral
6145-01-372-570921254 INTERCHANGEABLE
Cable,special Purpose,electrical
Electroweave, Inc
Cross-Reference Index
Part NumberManufacturer
21254 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
21254G PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
21254H Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
4720-00-080-3875INTERCHANGEABLE
HOSE,PREFORMED
5950-00-155-9482INTERCHANGEABLE
REACTOR
12Z13002-6
5110-00-243-2016INTERCHANGEABLE
REAMER,HAND
C24593
5930-00-392-0949INTERCHANGEABLE
RETAINER,ELECTRICAL SWITCH
21254
6665-01-104-7254INTERCHANGEABLE
RADIAC SET
21254
5815-01-171-1605INTERCHANGEABLE
SWITCH,BILATERAL
6145-01-372-5709INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
21254

Frequently Asked Questions

What is NSN 5998-01-097-8501?

NSN 5998-01-097-8501 is a Circuit Card Assembly, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5998 (Circuit Card Assembly). Status: cancelled.

What are the part numbers for NSN 5998-01-097-8501?

NSN 5998-01-097-8501 has 3 cross-referenced part numbers: 21254 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 21254G (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 21254H (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What NSN replaces 5998-01-097-8501?

There are 7 known substitutes for 5998-01-097-8501: 4720-00-080-3875, 5950-00-155-9482, 5110-00-243-2016 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21254G?

Key specifications for 21254G: Special Features: CAPACITOR 46,DIODE 6,MICROCIRCUIT 63,RESISTOR 65,TRANSISTOR 2,PRINTED WIRING BOARD 1; Special Features: CAPACITOR 46,DIODE 6,MICROCIRCUIT 63,RESISTOR 65,TRANSISTOR 2,PRINTED WIRING BOARD 1. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5998-01-097-8501 still in active supply?

NSN 5998-01-097-8501 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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