PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300003Valve,ball

Dunns Valve Testers Inc · NSN 4820-01-446-4086 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-446-4086 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-446-4086. Primary manufacturer part number: 300003.
Features
  • Valve,ball — FSC 4820
  • Material: STEEL CORROSION RESISTING OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Dunns Valve Testers Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-446-4086, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dunns Valve Testers Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-446-4086
Primary Part Number300003
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDunns Valve Testers Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-872-22363-00003 INTERCHANGEABLE
Coupling,pipe
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
6650-00-917-0436300-003 INTERCHANGEABLE
Lens,optical Instrument
Raytheon Company Dba Raytheon Co
5360-01-025-4272300003 INTERCHANGEABLE
Spring,helical,compression
Penn-Elkco Inc
2540-01-032-1357124003 INTERCHANGEABLE
Cushion,seat,vehicular
Seats Inc Div Seats Incorporated
4330-01-080-62042NX7 INTERCHANGEABLE
Float,filter Valve
Oshkosh Defense Llc
4720-01-089-43753000-03 INTERCHANGEABLE
Hose,nonmetallic
Eaton Corp
6830-01-128-167316155-BOTTLE INTERCHANGEABLE
Bromochlorodifluoromethane
Amerex Corporation Dba Amerex Corp
4720-01-130-54723000-03 INTERCHANGEABLE
Hose,nonmetallic
Eaton Corp
5961-01-202-2636 INTERCHANGEABLE
Semiconductor Device,diode
5985-01-259-9698300003 INTERCHANGEABLE
Control,antenna
Fisica Applied Technologies, Inc. Div Datron Advanced Technologies
Cross-Reference Index
Part NumberManufacturer
300003 PRIMARY Dunns Valve Testers Inc (USA)
MODEL 006 ITEM 12 Dunns Valve Testers Inc (USA)
Related Parts
4730-00-872-2236INTERCHANGEABLE
COUPLING,PIPE
3-00003
6650-00-917-0436INTERCHANGEABLE
LENS,OPTICAL INSTRUMENT
300-003
5360-01-025-4272INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
300003
2540-01-032-1357INTERCHANGEABLE
CUSHION,SEAT,VEHICULAR
124003
4330-01-080-6204INTERCHANGEABLE
FLOAT,FILTER VALVE
2NX7
4720-01-089-4375INTERCHANGEABLE
HOSE,NONMETALLIC
3000-03
6830-01-128-1673INTERCHANGEABLE
BROMOCHLORODIFLUOROMETHANE
16155-BOTTLE
4720-01-130-5472INTERCHANGEABLE
HOSE,NONMETALLIC
3000-03
5961-01-202-2636INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5985-01-259-9698INTERCHANGEABLE
CONTROL,ANTENNA
300003
6210-01-311-0534INTERCHANGEABLE
LENS,LIGHT
6680-01-406-0422INTERCHANGEABLE
TACHOMETER,ELECTRICAL,SELF-GENER
300003

Frequently Asked Questions

What is NSN 4820-01-446-4086?

NSN 4820-01-446-4086 is a Valve,ball, manufactured by Dunns Valve Testers Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-446-4086?

NSN 4820-01-446-4086 has 2 cross-referenced part numbers: 300003 (Dunns Valve Testers Inc), MODEL 006 ITEM 12 (Dunns Valve Testers Inc).

What NSN replaces 4820-01-446-4086?

There are 12 known substitutes for 4820-01-446-4086: 4730-00-872-2236, 6650-00-917-0436, 5360-01-025-4272 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300003?

Key specifications for 300003: Special Features: 1/4 INCH SIZE IN; End Item Identification: NIMITZ CLASS CVN; Material: STEEL CORROSION RESISTING OVERALL. 3 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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