PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CO3-00620-TValve,float

Alkota Cleaning Systems Inc · NSN 4820-01-286-1959 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-286-1959 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-286-1959. Primary manufacturer part number: CO3-00620-T.
Features
  • Valve,float — FSC 4820
  • Thread Series Designator: NPT FIRST END
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
  • Material: BRONZE BODY
  • Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Flow Control Device: DISK
  • Media for Which Designed: WATER, FRESH SINGLE RESPONSE
  • Thread Direction: RIGHT-HAND FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Flow Control Device construction
General Description

The Valve,float, cataloged under National Stock Number 4820-01-286-1959, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Alkota Cleaning Systems Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-286-1959
Primary Part NumberCO3-00620-T
Item NameValve,float
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAlkota Cleaning Systems Inc
StatusACTIVE
Thread Series DesignatorNPT FIRST END
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MaterialBRONZE BODY
Maximum Operating Temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
Flow Control DeviceDISK
Media for Which DesignedWATER, FRESH SINGLE RESPONSE
Thread DirectionRIGHT-HAND FIRST END
Valve Operation MethodAUTOMATIC
MaterialBRONZE SEAT
Connection TypeTHREADED INTERNAL PIPE FIRST END
Nominal Thread Size0.500 INCHES FIRST END IN
Style DesignatorANGLE
Connection StylePLAIN,OPTIONAL END(PIPE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4220-00-910-0850SL02 INTERCHANGEABLE
Slate and Pencil,divers
Underwater Diving Inc Dba Trident
Cross-Reference Index
Part NumberManufacturer
CO3-00620-T PRIMARY Alkota Cleaning Systems Inc (USA)
922013 Eclipse Inc Rockford-Eclipse Div (USA)
922000 Eclipse Inc Rockford-Eclipse Div (USA)
922000 Donnelly Mfg Co (USA)
Related Parts
4220-00-910-0850INTERCHANGEABLE
SLATE AND PENCIL,DIVERS
SL02

Frequently Asked Questions

What is NSN 4820-01-286-1959?

NSN 4820-01-286-1959 is a Valve,float, manufactured by Alkota Cleaning Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-286-1959?

NSN 4820-01-286-1959 has 4 cross-referenced part numbers: CO3-00620-T (Alkota Cleaning Systems Inc), 922013 (Eclipse Inc Rockford-Eclipse Div), 922000 (Eclipse Inc Rockford-Eclipse Div), 922000 (Donnelly Mfg Co).

What NSN replaces 4820-01-286-1959?

There is 1 known substitute for 4820-01-286-1959: 4220-00-910-0850. Verify interchangeability with system specifications before substitution.

What are the specifications of CO3-00620-T?

Key specifications for CO3-00620-T: Thread Series Designator: NPT FIRST END; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE; Material: BRONZE BODY; Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF. 13 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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