PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21091Circuit Card Assembly

Trio Laboratories Inc · NSN 5998-00-563-0569 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-563-0569 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-563-0569. Primary manufacturer part number: 21091.
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 5998-00-563-0569, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5998-00-563-0569
Primary Part Number21091
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerTrio Laboratories Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-156-3523204FFSL107E306A78X6945R INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5950-00-220-992421091 INTERCHANGEABLE
Transformer,power
Astec America Inc.
4730-01-293-6755PMP21091 INTERCHANGEABLE
Coupling,pump
Torc Tec Calibrations, Inc
5360-01-387-647721091 INTERCHANGEABLE
Spring,helical,extension
Science Applications International Corporation
3040-01-449-02532109-036 INTERCHANGEABLE
Shaft,shouldered
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
4920-01-620-664121091 INTERCHANGEABLE
Nrp,nozzle-Tungsten
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
Cross-Reference Index
Part NumberManufacturer
21091 Trio Laboratories Inc (USA)
Related Parts
3110-00-156-3523INTERCHANGEABLE
BEARING,BALL,ANNULAR
204FFSL107E306A78X6945R
5950-00-220-9924INTERCHANGEABLE
TRANSFORMER,POWER
21091
4730-01-293-6755INTERCHANGEABLE
COUPLING,PUMP
PMP21091
5360-01-387-6477INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
21091
3040-01-449-0253INTERCHANGEABLE
SHAFT,SHOULDERED
2109-036
4920-01-620-6641INTERCHANGEABLE
NRP,NOZZLE-TUNGSTEN
21091

Frequently Asked Questions

What is NSN 5998-00-563-0569?

NSN 5998-00-563-0569 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 5998-00-563-0569?

NSN 5998-00-563-0569 has 1 cross-referenced part number: 21091 (Trio Laboratories Inc).

What NSN replaces 5998-00-563-0569?

There are 6 known substitutes for 5998-00-563-0569: 3110-00-156-3523, 5950-00-220-9924, 4730-01-293-6755 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21091?

Key specifications for 21091: Part Name Assigned by Controlling Agency: FSC APPLICATION DATA: RADAR SET NONAIRBORNE EXCEPT FIRE CONTROL AND GUIDED MISSILE; Overall Height: 0.570 INCHES NOMINAL IN; Overall Width: 2.090 INCHES NOMINAL IN; Special Features: PRINTED WIRING BOARD 1,CAPACITOR 1,RESISTOR 1. 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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