PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41806Valve,flow Control

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 4820-01-658-2018 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-658-2018 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-658-2018. Primary manufacturer part number: 41806.
Features
  • Valve,flow Control — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-658-2018, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-658-2018
Primary Part Number41806
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-778-231741806 INTERCHANGEABLE
Connector,receptacle,electrical
Meggitt Safety Systems Inc
5340-01-222-917341806 INTERCHANGEABLE
Cover,access
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6105-01-305-3674 INTERCHANGEABLE
Motor,alternating Current
Cross-Reference Index
Part NumberManufacturer
41806 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
5935-00-778-2317INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
41806
5340-01-222-9173INTERCHANGEABLE
COVER,ACCESS
41806
6105-01-305-3674INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 4820-01-658-2018?

NSN 4820-01-658-2018 is a Valve,flow Control, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-658-2018?

NSN 4820-01-658-2018 has 1 cross-referenced part number: 41806 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 4820-01-658-2018?

There are 3 known substitutes for 4820-01-658-2018: 5935-00-778-2317, 5340-01-222-9173, 6105-01-305-3674. Verify interchangeability with system specifications before substitution.

What are the specifications of 41806?

Key specifications for 41806: End Item Identification: MARINE TRANSMISSION; Part Name Assigned by Controlling Agency: VALVE, CONTROL. 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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