PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35863Seat,valve

Eaton Aerospace Llc Dba Eaton Aerospace Jackson · NSN 4820-01-291-1624 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-291-1624 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-291-1624. Primary manufacturer part number: 35863.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL COMP 52100 OVERALL
  • Body Outside Diameter: 0.630 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 52100 Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-291-1624, 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. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-291-1624
Primary Part Number35863
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Aerospace Jackson
StatusACTIVE
MaterialSTEEL COMP 52100 OVERALL
Body Outside Diameter0.630 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-899-1875T387 INTERCHANGEABLE
Bearing,roller,thrust
The Timken Corporation
1650-01-662-615335-863 INTERCHANGEABLE
Drive,constant Speed,hydraulic
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
35863 PRIMARY Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA)
Related Parts
3110-00-899-1875INTERCHANGEABLE
BEARING,ROLLER,THRUST
T387
1650-01-662-6153INTERCHANGEABLE
DRIVE,CONSTANT SPEED,HYDRAULIC
35-863

Frequently Asked Questions

What is NSN 4820-01-291-1624?

NSN 4820-01-291-1624 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 4820-01-291-1624?

NSN 4820-01-291-1624 has 1 cross-referenced part number: 35863 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).

What NSN replaces 4820-01-291-1624?

There are 2 known substitutes for 4820-01-291-1624: 3110-00-899-1875, 1650-01-662-6153. Verify interchangeability with system specifications before substitution.

What are the specifications of 35863?

Key specifications for 35863: Material: STEEL COMP 52100 OVERALL; Body Outside Diameter: 0.630 INCHES NOMINAL IN. 2 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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