PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

62573Disk,valve

Eaton Aerospace, Llc Dba Jackson South · NSN 4820-00-319-4815 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-319-4815 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-319-4815. Primary manufacturer part number: 62573.
Features
  • Disk,valve — FSC 4820
  • Style Designator: POPPET
  • Material: STEEL
  • Flange Diameter: 0.375 INCHES NOMINAL IN
  • Shank Diameter: 0.250 INCHES NOMINAL IN
  • 10 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-319-4815, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-319-4815
Primary Part Number62573
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Style DesignatorPOPPET
MaterialSTEEL
Flange Diameter0.375 INCHES NOMINAL IN
Shank Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
9540-00-542-2757194305 INTERCHANGEABLE
Channel,structural
Aluminum Co of America
5355-01-581-9136B-6257-3 INTERCHANGEABLE
Head,knob
Hartzell Propeller Llc
Cross-Reference Index
Part NumberManufacturer
62573 Reidville Hydraulics & Mfg Inc (USA)
CR59406PC135 Eaton Aerospace, Llc Dba Jackson South (USA)
381126PC135 Naval Sea Systems Command (USA)
381126PC135 Naval Ship Systems Command (USA)
62573 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
CF59412PC135 Eaton Aerospace, Llc Dba Jackson South (USA)
381132PC135 Naval Ship Systems Command (USA)
381132PC135 Naval Sea Systems Command (USA)
D142078PC43 Eaton Aerospace, Llc Dba Jackson South (USA)
B62573 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
9540-00-542-2757INTERCHANGEABLE
CHANNEL,STRUCTURAL
194305
5355-01-581-9136INTERCHANGEABLE
HEAD,KNOB
B-6257-3

Frequently Asked Questions

What is NSN 4820-00-319-4815?

NSN 4820-00-319-4815 is a Disk,valve, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-319-4815?

NSN 4820-00-319-4815 has 10 cross-referenced part numbers: 62573 (Reidville Hydraulics & Mfg Inc), CR59406PC135 (Eaton Aerospace, Llc Dba Jackson South), 381126PC135 (Naval Sea Systems Command), 381126PC135 (Naval Ship Systems Command), 62573 (Eaton Aerospace, Llc Dba Jackson South) and 5 more.

What NSN replaces 4820-00-319-4815?

There are 2 known substitutes for 4820-00-319-4815: 9540-00-542-2757, 5355-01-581-9136. Verify interchangeability with system specifications before substitution.

What are the specifications of 62573?

Key specifications for 62573: Style Designator: POPPET; Material: STEEL; Flange Diameter: 0.375 INCHES NOMINAL IN; Shank Diameter: 0.250 INCHES NOMINAL IN. 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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