PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

36565Seat,valve

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-01-123-8366 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-123-8366 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-123-8366. Primary manufacturer part number: 36565.
Features
  • Seat,valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-123-8366, 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 Eaton Aerospace Jackson. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersEaton Aerospace Llc Dba Eaton Aerospace Jackson (CAGE 99643)
Technical Specifications
ParameterValue
NSN4820-01-123-8366
Primary Part Number36565
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-120-31012004480 INTERCHANGEABLE
Bearing,roller,needle
Garwood/feller Inc Garwood Winch Div
4730-00-249-3890 INTERCHANGEABLE
Elbow,pipe
5940-01-425-159636565 INTERCHANGEABLE
Terminal Box
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
55370-3 ITEM 5 Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
36565 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
3110-00-120-3101INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
2004480
4730-00-249-3890INTERCHANGEABLE
ELBOW,PIPE
5940-01-425-1596INTERCHANGEABLE
TERMINAL BOX
36565

Frequently Asked Questions

What is NSN 4820-01-123-8366?

NSN 4820-01-123-8366 is a Seat,valve, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-123-8366?

NSN 4820-01-123-8366 has 2 cross-referenced part numbers: 55370-3 ITEM 5 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 36565 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-01-123-8366?

There are 3 known substitutes for 4820-01-123-8366: 3110-00-120-3101, 4730-00-249-3890, 5940-01-425-1596. Verify interchangeability with system specifications before substitution.

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