PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A13499.001Disk,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-171-4499 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-171-4499 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-171-4499. Primary manufacturer part number: A13499.001.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL COMP 303
  • Material Document and Classification: ASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE
  • Outside Diameter: 2.621 INCHES NOMINAL IN
  • Style Designator: SOLID
  • 5 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 Steel Comp 303 construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-171-4499, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-171-4499
Primary Part NumberA13499.001
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
MaterialSTEEL COMP 303
Material Document and ClassificationASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE
Outside Diameter2.621 INCHES NOMINAL IN
Style DesignatorSOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-277-79181763-381PC225 INTERCHANGEABLE
Elbow,pipe to Tube
Portsmouth Naval Shipyard
5940-00-622-193410-203-2 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5950-00-647-699206990 INTERCHANGEABLE
Transformer,audio Frequency
L3harris Technologies, Inc. Div Space and Airborne Systems
7310-01-107-1142 INTERCHANGEABLE
Pan,steam Table
9540-01-231-2297 INTERCHANGEABLE
Angle,structural
6545-01-590-5805UA P302 INTERCHANGEABLE
Medical Materiel Set,central Mat
Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa
Cross-Reference Index
Part NumberManufacturer
A13499.001 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20342 FIND 26 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20342 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20342 FIND 26 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A13499.001 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
4730-00-277-7918INTERCHANGEABLE
ELBOW,PIPE TO TUBE
1763-381PC225
5940-00-622-1934INTERCHANGEABLE
TERMINAL,STUD
10-203-2
5950-00-647-6992INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
06990
7310-01-107-1142INTERCHANGEABLE
PAN,STEAM TABLE
9540-01-231-2297INTERCHANGEABLE
ANGLE,STRUCTURAL
6545-01-590-5805INTERCHANGEABLE
MEDICAL MATERIEL SET,CENTRAL MAT
UA P302

Frequently Asked Questions

What is NSN 4820-01-171-4499?

NSN 4820-01-171-4499 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 4820-01-171-4499?

NSN 4820-01-171-4499 has 5 cross-referenced part numbers: A13499.001 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20342 FIND 26 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20342 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20342 FIND 26 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A13499.001 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-171-4499?

There are 6 known substitutes for 4820-01-171-4499: 4730-00-277-7918, 5940-00-622-1934, 5950-00-647-6992 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A13499.001?

Key specifications for A13499.001: Material: STEEL COMP 303; Material Document and Classification: ASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE; Outside Diameter: 2.621 INCHES NOMINAL IN; Style Designator: SOLID. 5 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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