PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73183Seat,valve

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · NSN 4820-00-600-8033 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-600-8033 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-600-8033. Primary manufacturer part number: 73183.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Style Designator: PLAIN
  • Material: ALUMINUM ALLOY OVERALL
  • Body Inside Diameter: 0.080 INCHES NOMINAL IN
  • Body Outside Diameter: 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-600-8033, 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 Sterer Engineering Div Valve & Actuator. Government technical data includes 5 verified specifications, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-600-8033
Primary Part Number73183
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
StatusACTIVE
Seating Surface ShapeFLAT
Style DesignatorPLAIN
MaterialALUMINUM ALLOY OVERALL
Body Inside Diameter0.080 INCHES NOMINAL IN
Body Outside Diameter0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3120-00-374-21672803L558 INTERCHANGEABLE
Bearing,washer,thrust
Bay City Shovels, Inc
2030-01-467-071273183 INTERCHANGEABLE
Winch,boat Davit
Palfinger Marine Usa, Llc
Cross-Reference Index
Part NumberManufacturer
73183 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
72910PC20 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
Related Parts
3120-00-374-2167INTERCHANGEABLE
BEARING,WASHER,THRUST
2803L558
2030-01-467-0712INTERCHANGEABLE
WINCH,BOAT DAVIT
73183

Frequently Asked Questions

What is NSN 4820-00-600-8033?

NSN 4820-00-600-8033 is a Seat,valve, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-600-8033?

NSN 4820-00-600-8033 has 2 cross-referenced part numbers: 73183 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 72910PC20 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What NSN replaces 4820-00-600-8033?

There are 2 known substitutes for 4820-00-600-8033: 3120-00-374-2167, 2030-01-467-0712. Verify interchangeability with system specifications before substitution.

What are the specifications of 73183?

Key specifications for 73183: Seating Surface Shape: FLAT; Style Designator: PLAIN; Material: ALUMINUM ALLOY OVERALL; Overall Height: 0.092 INCHES MINIMUM AND 0.093 INCHES MAXIMUM 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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