PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21099Circuit Card Assembly

Trio Laboratories Inc · NSN 5998-00-563-0612 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-563-0612 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-563-0612. Primary manufacturer part number: 21099.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Trio Laboratories 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 5998-00-563-0612, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Trio Laboratories Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5998-00-563-0612
Primary Part Number21099
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerTrio Laboratories Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-053519268 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5330-00-448-6694A-21099 INTERCHANGEABLE
Gasket
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2835-00-654-681521099-1 INTERCHANGEABLE
Seal,fuel Can
Alamo Aircraft, Ltd.
5905-00-882-49362100-0068 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Keysight Technologies Inc
3020-01-108-279621099 INTERCHANGEABLE
Gear,spur
Paccar Winch Inc Dba Paccar Winch Division
4810-01-303-389221099 INTERCHANGEABLE
Sleeve and Slide,directional Con
Parker Hannifin Corporation Div Hydraulic Systems Division
5360-01-305-06582-1099 INTERCHANGEABLE
Spring,helical,compression
Malabar
5306-01-411-473721099 INTERCHANGEABLE
Bolt,eye
Science Applications International Corporation
Cross-Reference Index
Part NumberManufacturer
21099 Trio Laboratories Inc (USA)
Related Parts
3110-00-100-0535INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
19268
5330-00-448-6694INTERCHANGEABLE
GASKET
A-21099
2835-00-654-6815INTERCHANGEABLE
SEAL,FUEL CAN
21099-1
5905-00-882-4936INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2100-0068
3020-01-108-2796INTERCHANGEABLE
GEAR,SPUR
21099
4810-01-303-3892INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21099
5360-01-305-0658INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2-1099
5306-01-411-4737INTERCHANGEABLE
BOLT,EYE
21099

Frequently Asked Questions

What is NSN 5998-00-563-0612?

NSN 5998-00-563-0612 is a Circuit Card Assembly, manufactured by Trio Laboratories Inc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-563-0612?

NSN 5998-00-563-0612 has 1 cross-referenced part number: 21099 (Trio Laboratories Inc).

What NSN replaces 5998-00-563-0612?

There are 8 known substitutes for 5998-00-563-0612: 3110-00-100-0535, 5330-00-448-6694, 2835-00-654-6815 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21099?

Key specifications for 21099: Overall Width: 3.750 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: FSC APPLICATION DATA: RADAR SET NONAIRBORNE EXCEPT FIRE CONTROL AND GUIDED MISSILE; Overall Length: 4.500 INCHES NOMINAL IN; Overall Height: 0.540 INCHES NOMINAL IN. 10 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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