PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

020166Interface Unit,input-Output

Humphree Usa Llc · NSN 5998-01-648-4120 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-648-4120 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-648-4120. Primary manufacturer part number: 020166.
Features
  • Interface Unit,input-Output — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Humphree Usa Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Interface Unit,input-Output, cataloged under National Stock Number 5998-01-648-4120, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Humphree Usa Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameInterface Unit,input-Output
FSC / FSG5998 — Circuit Card Assembly (FSG 59)
ManufacturersHumphree Usa Llc (CAGE 6F2P0)
Technical Specifications
ParameterValue
NSN5998-01-648-4120
Primary Part Number020166
Item NameInterface Unit,input-Output
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerHumphree Usa Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeZ
Weight4.0800 lbs
Cube0.2604 cu ft
Verified Substitutes 1
6520-01-340-54746374110 INTERCHANGEABLE
Insert,handpiece,dental Ultrason
Dentsply Sirona Inc. Dba Dentsply Professional Div Dentsply Professional/preventive
Cross-Reference Index
Part NumberManufacturer
020166 PRIMARY Humphree Usa Llc (USA)
Related Parts
6520-01-340-5474INTERCHANGEABLE
INSERT,HANDPIECE,DENTAL ULTRASON
6374110

Frequently Asked Questions

What is NSN 5998-01-648-4120?

NSN 5998-01-648-4120 is a Interface Unit,input-Output, manufactured by Humphree Usa Llc, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-648-4120?

NSN 5998-01-648-4120 has 1 cross-referenced part number: 020166 (Humphree Usa Llc).

What NSN replaces 5998-01-648-4120?

There is 1 known substitute for 5998-01-648-4120: 6520-01-340-5474. Verify interchangeability with system specifications before substitution.

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