PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18186Circuit Card Assembly

Viavi Solutionsllc · NSN 5998-01-517-3121 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-517-3121 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-517-3121. Primary manufacturer part number: 18186.
Features
  • Circuit Card Assembly — FSC 5998
  • 2 verified cross-references
  • Primary manufacturer: Viavi Solutionsllc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Circuit Card Assembly, cataloged under National Stock Number 5998-01-517-3121, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Viavi Solutionsllc. 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
NSN5998-01-517-3121
Primary Part Number18186
Item NameCircuit Card Assembly
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerViavi Solutionsllc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeL
Unit of IssueEA
SMR CodeYD
Weight1.4500 lbs
Cube0.2561 cu ft
Verified Substitutes 3
5961-00-468-2765 INTERCHANGEABLE
Transistor
5306-00-781-5644 INTERCHANGEABLE
Bolt,machine
5905-01-396-75670181860007 INTERCHANGEABLE
Resistor,fixed,film
Riimic, Llc Dba Sunair Electronics
Cross-Reference Index
Part NumberManufacturer
20-6870-30 Viavi Solutions Llc Div Lenexa (USA)
18186 PRIMARY Viavi Solutionsllc (USA)
Related Parts
5961-00-468-2765INTERCHANGEABLE
TRANSISTOR
5306-00-781-5644INTERCHANGEABLE
BOLT,MACHINE
5905-01-396-7567INTERCHANGEABLE
RESISTOR,FIXED,FILM
0181860007

Frequently Asked Questions

What is NSN 5998-01-517-3121?

NSN 5998-01-517-3121 is a Circuit Card Assembly, manufactured by Viavi Solutionsllc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-517-3121?

NSN 5998-01-517-3121 has 2 cross-referenced part numbers: 20-6870-30 (Viavi Solutions Llc Div Lenexa), 18186 (Viavi Solutionsllc).

What NSN replaces 5998-01-517-3121?

There are 3 known substitutes for 5998-01-517-3121: 5961-00-468-2765, 5306-00-781-5644, 5905-01-396-7567. Verify interchangeability with system specifications before substitution.

What are the specifications of 18186?

Key specifications for 18186: End Item Identification: TEST EQUIPMENT; End Item Identification: TEST EQUIPMENT. 2 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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