PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20621Circuit Card Assembly

L3 Technologies, Inc. Div Communication Systems-West · NSN 5998-01-140-9308 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-140-9308 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-140-9308. Primary manufacturer part number: 20621.
Features
  • Circuit Card Assembly — FSC 5998
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Criticality Code Justification: CBBL
  • Features Provided: ELECTROSTATIC SENSITIVE
  • Criticality Code Justification: CBBL
  • 1 verified cross-reference
  • Primary manufacturer: L3 Technologies, Inc. Div Communication Systems-West
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-140-9308, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3 Technologies, Inc. Div Communication Systems-West. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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: Active.

Technical Specifications
ParameterValue
NSN5998-01-140-9308
Primary Part Number20621
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerL3 Technologies, Inc. Div Communication Systems-West
StatusACTIVE
Features ProvidedELECTROSTATIC SENSITIVE
Criticality Code JustificationCBBL
Features ProvidedELECTROSTATIC SENSITIVE
Criticality Code JustificationCBBL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight1.5000 lbs
Cube0.1620 cu ft
Verified Substitutes 7
5975-00-322-034620621 INTERCHANGEABLE
Collar,flange
Schneider Electric Usa, Inc.
2915-00-328-0974 INTERCHANGEABLE
Ball,choke Lever
5330-00-328-4509 INTERCHANGEABLE
Seal,grease
2940-00-377-518220621 INTERCHANGEABLE
Head,fluid Filter
Cummins Inc.
5950-00-645-1516052-000046 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5925-01-361-543420621 INTERCHANGEABLE
Circuit Breaker
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5975-01-367-9590206-21 INTERCHANGEABLE
Conduit Assembly,metal,flexible
Dcx-Chol Enterprises, Inc.
Cross-Reference Index
Part NumberManufacturer
20621 PRIMARY L3 Technologies, Inc. Div Communication Systems-West (USA)
Related Parts
5975-00-322-0346INTERCHANGEABLE
COLLAR,FLANGE
20621
2915-00-328-0974INTERCHANGEABLE
BALL,CHOKE LEVER
5330-00-328-4509INTERCHANGEABLE
SEAL,GREASE
2940-00-377-5182INTERCHANGEABLE
HEAD,FLUID FILTER
20621
5950-00-645-1516INTERCHANGEABLE
TRANSFORMER,POWER
052-000046
5925-01-361-5434INTERCHANGEABLE
CIRCUIT BREAKER
20621
5975-01-367-9590INTERCHANGEABLE
CONDUIT ASSEMBLY,METAL,FLEXIBLE
206-21

Frequently Asked Questions

What is NSN 5998-01-140-9308?

NSN 5998-01-140-9308 is a Circuit Card Assembly, manufactured by L3 Technologies, Inc. Div Communication Systems-West, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-140-9308?

NSN 5998-01-140-9308 has 1 cross-referenced part number: 20621 (L3 Technologies, Inc. Div Communication Systems-West).

What NSN replaces 5998-01-140-9308?

There are 7 known substitutes for 5998-01-140-9308: 5975-00-322-0346, 2915-00-328-0974, 5330-00-328-4509 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20621?

Key specifications for 20621: Features Provided: ELECTROSTATIC SENSITIVE; Criticality Code Justification: CBBL; End Item Identification: TACTICAL SATELLITE (TACSAT) MULTICHANNEL COMMUNICATIONS EQUIPMENT; Features Provided: ELECTROSTATIC SENSITIVE. 6 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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