PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

63810 ITEM 19Seat,valve

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-01-184-4277 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-184-4277 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-184-4277. Primary manufacturer part number: 63810 ITEM 19.
Features
  • Seat,valve — FSC 4820
  • 3 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 4820-01-184-4277, 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 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 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
NSN4820-01-184-4277
Primary Part Number63810 ITEM 19
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 6
3455-00-189-91471-1561-0750 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
New York Twist Drill Inc
5995-00-320-896738393 INTERCHANGEABLE
Cable and Duct Asse
L3harris Technologies, Inc Div Space & Airborne Systems
2530-00-359-0351FD7351 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5950-00-936-901738393 INTERCHANGEABLE
Reactor
Freed Transformer Co
6210-01-141-5263 INTERCHANGEABLE
Light Assembly,indicator
5962-01-494-6597 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
63810 ITEM 19 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
38393 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
63810 Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
3455-00-189-9147INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-0750
5995-00-320-8967INTERCHANGEABLE
CABLE AND DUCT ASSE
38393
2530-00-359-0351INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
FD7351
5950-00-936-9017INTERCHANGEABLE
REACTOR
38393
6210-01-141-5263INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
5962-01-494-6597INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 4820-01-184-4277?

NSN 4820-01-184-4277 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 4820-01-184-4277?

NSN 4820-01-184-4277 has 3 cross-referenced part numbers: 63810 ITEM 19 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 38393 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 63810 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-01-184-4277?

There are 6 known substitutes for 4820-01-184-4277: 3455-00-189-9147, 5995-00-320-8967, 2530-00-359-0351 and 3 more. Verify interchangeability with system specifications before substitution.

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