PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

46561Seat,valve

Eaton Aerospace, Llc Dba Jackson South · NSN 4820-01-220-0934 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-220-0934 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-220-0934. Primary manufacturer part number: 46561.
Features
  • Seat,valve — FSC 4820
  • Body Outside Diameter: 3.690 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Material: STEEL OVERALL
  • Seating Surface Shape: O-RING
  • Body Inside Diameter: 3.253 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-220-0934, 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 Jackson South. Government technical data includes 5 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-220-0934
Primary Part Number46561
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Body Outside Diameter3.690 INCHES NOMINAL IN
Style DesignatorPLAIN
MaterialSTEEL OVERALL
Seating Surface ShapeO-RING
Body Inside Diameter3.253 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1560-00-561-6395751010-3 INTERCHANGEABLE
Connector,ram Air Compartment
Lockheed Martin Corp
5120-00-595-8332 INTERCHANGEABLE
Hot Line Stick
8040-01-210-101746561 INTERCHANGEABLE
Adhesive
Loctite Corp
2940-01-274-191646561 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5930-01-334-3367 INTERCHANGEABLE
Switch,push
Cross-Reference Index
Part NumberManufacturer
46561 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
1560-00-561-6395INTERCHANGEABLE
CONNECTOR,RAM AIR COMPARTMENT
751010-3
5120-00-595-8332INTERCHANGEABLE
HOT LINE STICK
8040-01-210-1017INTERCHANGEABLE
ADHESIVE
46561
2940-01-274-1916INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
46561
5930-01-334-3367INTERCHANGEABLE
SWITCH,PUSH

Frequently Asked Questions

What is NSN 4820-01-220-0934?

NSN 4820-01-220-0934 is a Seat,valve, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-220-0934?

NSN 4820-01-220-0934 has 1 cross-referenced part number: 46561 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4820-01-220-0934?

There are 5 known substitutes for 4820-01-220-0934: 1560-00-561-6395, 5120-00-595-8332, 8040-01-210-1017 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 46561?

Key specifications for 46561: Body Outside Diameter: 3.690 INCHES NOMINAL IN; Style Designator: PLAIN; End Item Identification: VICKERS MODEL DF10P1-24-5-20; Material: STEEL OVERALL. 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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