PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200820Piston,valve

Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems · NSN 4820-00-337-3969 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-337-3969 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-337-3969. Primary manufacturer part number: 200820.
Features
  • Piston,valve — FSC 4820
  • Material: ALUMINUM ALLOY
  • Surface Treatment: ANODIZE
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy construction
General Description

The Piston,valve, cataloged under National Stock Number 4820-00-337-3969, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-337-3969
Primary Part Number200820
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Corporation Dba Airframe Div Fuel & Motion Control Systems
StatusACTIVE
MaterialALUMINUM ALLOY
Surface TreatmentANODIZE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5315-00-010-3363200820 INTERCHANGEABLE
Pin,cotter
Renk America Llc Div Renk America
6645-00-943-5127200848 INTERCHANGEABLE
Hand,minute
Waltham Aircraft Clock Corp
1377-01-392-4939838AS209 INTERCHANGEABLE
Cartridge,aircraft Fire Extingui
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6545-01-607-5710200820 INTERCHANGEABLE
Synthesis Kit
Agilent Technologies Inc. Div Semiconductor Products Group Business Center
Cross-Reference Index
Part NumberManufacturer
200820 PRIMARY Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems (USA)
Related Parts
5315-00-010-3363INTERCHANGEABLE
PIN,COTTER
200820
6645-00-943-5127INTERCHANGEABLE
HAND,MINUTE
200848
1377-01-392-4939INTERCHANGEABLE
CARTRIDGE,AIRCRAFT FIRE EXTINGUI
838AS209
6545-01-607-5710INTERCHANGEABLE
SYNTHESIS KIT
200820

Frequently Asked Questions

What is NSN 4820-00-337-3969?

NSN 4820-00-337-3969 is a Piston,valve, manufactured by Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-337-3969?

NSN 4820-00-337-3969 has 1 cross-referenced part number: 200820 (Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems).

What NSN replaces 4820-00-337-3969?

There are 4 known substitutes for 4820-00-337-3969: 5315-00-010-3363, 6645-00-943-5127, 1377-01-392-4939 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 200820?

Key specifications for 200820: Overall Length: 0.590 INCHES NOMINAL IN; Material: ALUMINUM ALLOY; Surface Treatment: ANODIZE; End Item Identification: VALVE,RAM AIR CONTROL PART NO.60593. 4 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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