PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28186Disk,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-046-2199 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-046-2199 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-046-2199. Primary manufacturer part number: 28186.
Features
  • Disk,valve — FSC 4820
  • Flange Seat to Disk End Height: 1.330 INCHES NOMINAL IN
  • Style Designator: POPPET
  • Under Flange Height: 0.420 INCHES NOMINAL IN
  • Shank Diameter: 0.310 INCHES NOMINAL IN
  • Tip Diameter: 0.135 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • 3 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-046-2199, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN4820-01-046-2199
Primary Part Number28186
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Flange Seat to Disk End Height1.330 INCHES NOMINAL IN
Style DesignatorPOPPET
Under Flange Height0.420 INCHES NOMINAL IN
Shank Diameter0.310 INCHES NOMINAL IN
Tip Diameter0.135 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-163-5163 INTERCHANGEABLE
Valve,safety Relief
4820-00-163-516439344006 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-00-163-5171 INTERCHANGEABLE
Valve,safety Relief
4820-00-163-5175 INTERCHANGEABLE
Valve,safety Relief
4820-01-046-219824965 INTERCHANGEABLE
Rod,adjusting Ring
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-046-702948621 INTERCHANGEABLE
Collar,spindle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-046-7030S44945 INTERCHANGEABLE
Holder Assembly,disk
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5310-01-046-855243449 INTERCHANGEABLE
Nut,spindle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
2910-01-046-8553100689 INTERCHANGEABLE
Nozzle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
2910-01-046-8554101868 INTERCHANGEABLE
Nozzle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
A39344PC5 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A39344 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
28186 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-00-163-5163INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-00-163-5164INTERCHANGEABLE
VALVE,SAFETY RELIEF
39344006
4820-00-163-5171INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-00-163-5175INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-046-2198INTERCHANGEABLE
ROD,ADJUSTING RING
24965
4820-01-046-7029INTERCHANGEABLE
COLLAR,SPINDLE,VALVE
48621
4820-01-046-7030INTERCHANGEABLE
HOLDER ASSEMBLY,DISK
S44945
5310-01-046-8552INTERCHANGEABLE
NUT,SPINDLE,VALVE
43449
2910-01-046-8553INTERCHANGEABLE
NOZZLE,VALVE
100689
2910-01-046-8554INTERCHANGEABLE
NOZZLE,VALVE
101868
4820-01-047-1938INTERCHANGEABLE
CAP,VALVE
47574
4730-01-163-2609INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO PIPE
062271

Frequently Asked Questions

What is NSN 4820-01-046-2199?

NSN 4820-01-046-2199 is a Disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-046-2199?

NSN 4820-01-046-2199 has 3 cross-referenced part numbers: A39344PC5 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A39344 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 28186 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-046-2199?

There are 12 known substitutes for 4820-01-046-2199: 4820-00-163-5163, 4820-00-163-5164, 4820-00-163-5171 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28186?

Key specifications for 28186: Flange Seat to Disk End Height: 1.330 INCHES NOMINAL IN; Style Designator: POPPET; Under Flange Height: 0.420 INCHES NOMINAL IN; Shank Diameter: 0.310 INCHES NOMINAL IN. 7 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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