PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500121Circuit Card Assembly

Donel Systems Llc · NSN 5998-00-332-8326 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-00-332-8326 — this item is cataloged by the U.S. Government under National Stock Number 5998-00-332-8326. Primary manufacturer part number: 500121.
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: Donel Systems Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-00-332-8326, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Donel Systems Llc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-00-332-8326
Primary Part Number500121
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerDonel Systems Llc
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 CodeVT
Weight1.0000 lbs
Cube0.0580 cu ft
Verified Substitutes 3
4730-00-278-9034A11205 INTERCHANGEABLE
Union,tube
Mueller Brass Co.
4320-01-035-3927 INTERCHANGEABLE
Screen
6530-01-536-3433500121 INTERCHANGEABLE
Switch,high Pressure
Steris Corporation Dba Steris Applied Sterilization Technololgies
Cross-Reference Index
Part NumberManufacturer
500121 PRIMARY Donel Systems Llc (USA)
500121 General Dynamics Motion Control Llc (USA)
Related Parts
4730-00-278-9034INTERCHANGEABLE
UNION,TUBE
A11205
4320-01-035-3927INTERCHANGEABLE
SCREEN
6530-01-536-3433INTERCHANGEABLE
SWITCH,HIGH PRESSURE
500121

Frequently Asked Questions

What is NSN 5998-00-332-8326?

NSN 5998-00-332-8326 is a Circuit Card Assembly, manufactured by Donel Systems Llc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-00-332-8326?

NSN 5998-00-332-8326 has 2 cross-referenced part numbers: 500121 (Donel Systems Llc), 500121 (General Dynamics Motion Control Llc).

What NSN replaces 5998-00-332-8326?

There are 3 known substitutes for 5998-00-332-8326: 4730-00-278-9034, 4320-01-035-3927, 6530-01-536-3433. Verify interchangeability with system specifications before substitution.

What are the specifications of 500121?

Key specifications for 500121: Overall Length: 3.375 INCHES NOMINAL IN; Features Provided: ELECTROSTATIC SENSITIVE; Criticality Code Justification: CBBL; Overall Width: 1.750 INCHES NOMINAL IN. 14 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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