PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3181-2Circuit Card Assembly

L3 Technologies, Inc. Dba L3 Rccs Div Ruggedized Command & Control Solutions · NSN 5998-01-326-6120 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-326-6120 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-326-6120. Primary manufacturer part number: 3181-2.
Features
  • Circuit Card Assembly — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: L3 Technologies, Inc. Dba L3 Rccs Div Ruggedized Command & Control Solutions
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-326-6120, 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. Dba L3 Rccs Div Ruggedized Command & Control Solutions. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCircuit Card Assembly
FSC / FSG5998 — Circuit Card Assembly (FSG 59)
ManufacturersL3 Technologies, Inc. Dba L3 Rccs Div Ruggedized Command & Control Solutions (CAGE 08YX1)
Technical Specifications
ParameterValue
NSN5998-01-326-6120
Primary Part Number3181-2
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerL3 Technologies, Inc. Dba L3 Rccs Div Ruggedized Command & Control Solutions
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-197-9743MS20659-12 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5935-01-281-2235 INTERCHANGEABLE
Connector,receptacle,electrical
4730-01-315-778031812 INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
4820-01-407-323831812 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5940-01-666-332031812 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
3181-2 L3 Technologies, Inc. Dba L3 Rccs Div Ruggedized Command & Control Solutions (USA)
Related Parts
5940-00-197-9743INTERCHANGEABLE
TERMINAL,LUG
MS20659-12
5935-01-281-2235INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4730-01-315-7780INTERCHANGEABLE
EXPANSION JOINT,PIPE
31812
4820-01-407-3238INTERCHANGEABLE
PISTON,VALVE
31812
5940-01-666-3320INTERCHANGEABLE
TERMINAL,LUG
31812

Frequently Asked Questions

What is NSN 5998-01-326-6120?

NSN 5998-01-326-6120 is a Circuit Card Assembly, manufactured by L3 Technologies, Inc. Dba L3 Rccs Div Ruggedized Command & Control Solutions, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-326-6120?

NSN 5998-01-326-6120 has 1 cross-referenced part number: 3181-2 (L3 Technologies, Inc. Dba L3 Rccs Div Ruggedized Command & Control Solutions).

What NSN replaces 5998-01-326-6120?

There are 5 known substitutes for 5998-01-326-6120: 5940-00-197-9743, 5935-01-281-2235, 4730-01-315-7780 and 2 more. Verify interchangeability with system specifications before substitution.

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