PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FS4-3SControl,rate of Flow,liquid

Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div · NSN 6680-01-643-5875 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-643-5875 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-643-5875. Primary manufacturer part number: FS4-3S.
Features
  • Control,rate of Flow,liquid — FSC 6680
  • 3 verified cross-references
  • Primary manufacturer: Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Control,rate of Flow,liquid, cataloged under National Stock Number 6680-01-643-5875, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div. This item has 3 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.

Catalog Facts
Item NameControl,rate of Flow,liquid
FSC / FSG6680 — No Item Name Available (FSG 66)
ManufacturersItt Mcdonnell-Miller a Unit of Itt Fluid Handling Div (CAGE 39305); Electro Brest (CAGE FA1T3)
Technical Specifications
ParameterValue
NSN6680-01-643-5875
Primary Part NumberFS4-3S
Item NameControl,rate of Flow,liquid
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerItt Mcdonnell-Miller a Unit of Itt Fluid Handling Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5315-00-164-5657114641 INTERCHANGEABLE
Pin,straight,headless
Drs Technologies Canada Ltd
3110-00-554-5387 INTERCHANGEABLE
Bearing,ball,annular
5305-01-432-5805114641 INTERCHANGEABLE
Setscrew
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
114641 Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div (USA)
FS4-3S PRIMARY Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div (USA)
114641 Electro Brest (FRA)
Related Parts
5315-00-164-5657INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
114641
3110-00-554-5387INTERCHANGEABLE
BEARING,BALL,ANNULAR
5305-01-432-5805INTERCHANGEABLE
SETSCREW
114641

Frequently Asked Questions

What is NSN 6680-01-643-5875?

NSN 6680-01-643-5875 is a Control,rate of Flow,liquid, manufactured by Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-643-5875?

NSN 6680-01-643-5875 has 3 cross-referenced part numbers: 114641 (Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div), FS4-3S (Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div), 114641 (Electro Brest).

What NSN replaces 6680-01-643-5875?

There are 3 known substitutes for 6680-01-643-5875: 5315-00-164-5657, 3110-00-554-5387, 5305-01-432-5805. Verify interchangeability with system specifications before substitution.

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