PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A7911.003Disk,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-588-2729 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-588-2729 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-588-2729. Primary manufacturer part number: A7911.003.
Features
  • Disk,valve — FSC 4820
  • Style Designator: POPPET
  • Seat Angle: 45.0 DEGREES NOMINAL
  • Material: NICKEL ALLOY
  • Shank Diameter: 1.810 INCHES NOMINAL IN
  • Flange Diameter: 1.810 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-588-2729, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-588-2729
Primary Part NumberA7911.003
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusCANCELLED
Style DesignatorPOPPET
Seat Angle45.0 DEGREES NOMINAL
MaterialNICKEL ALLOY
Shank Diameter1.810 INCHES NOMINAL IN
Flange Diameter1.810 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4820-00-510-2235 INTERCHANGEABLE
Disk,valve
4470-00-913-4738 INTERCHANGEABLE
Disk Assembly,valve
4820-01-173-9849 INTERCHANGEABLE
Disk,valve
4820-01-246-2169 INTERCHANGEABLE
Disk Assembly
Cross-Reference Index
Part NumberManufacturer
A7911.003 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A7911.003 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
8604FN5 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
0791100300 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-00-510-2235INTERCHANGEABLE
DISK,VALVE
4470-00-913-4738INTERCHANGEABLE
DISK ASSEMBLY,VALVE
4820-01-173-9849INTERCHANGEABLE
DISK,VALVE
4820-01-246-2169INTERCHANGEABLE
DISK ASSEMBLY

Frequently Asked Questions

What is NSN 4820-00-588-2729?

NSN 4820-00-588-2729 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: cancelled.

What are the part numbers for NSN 4820-00-588-2729?

NSN 4820-00-588-2729 has 4 cross-referenced part numbers: A7911.003 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A7911.003 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8604FN5 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 0791100300 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-00-588-2729?

There are 4 known substitutes for 4820-00-588-2729: 4820-00-510-2235, 4470-00-913-4738, 4820-01-173-9849 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A7911.003?

Key specifications for A7911.003: Style Designator: POPPET; Seat Angle: 45.0 DEGREES NOMINAL; Special Features: HAS 0.940 IN. DIA CENTERBORE TO A DEPTH OF 0.850 IN. IN; Material: NICKEL ALLOY. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-588-2729 still in active supply?

NSN 4820-00-588-2729 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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