PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20468Seat,valve

Eaton Aerospace, Llc Dba Jackson South · NSN 4820-00-061-5133 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-061-5133 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-061-5133. Primary manufacturer part number: 20468.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: ANGULAR
  • Style Designator: PLAIN
  • Material: STEEL OVERALL
  • Body Outside Diameter: 0.594 INCHES NOMINAL IN
  • Body Inside Diameter: 0.375 INCHES NOMINAL IN
  • Seat Angle in Deg: 0.750 NOMINAL
  • 2 verified cross-references
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 4820-00-061-5133, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN4820-00-061-5133
Primary Part Number20468
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Seating Surface ShapeANGULAR
Style DesignatorPLAIN
MaterialSTEEL OVERALL
Body Outside Diameter0.594 INCHES NOMINAL IN
Body Inside Diameter0.375 INCHES NOMINAL IN
Seat Angle in Deg0.750 NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5920-00-284-9220 INTERCHANGEABLE
Fuse,cartridge
4310-00-391-3173204-68 INTERCHANGEABLE
Ring Set,piston
Dresser Industries Inc Leroi Div
5310-00-434-4249 INTERCHANGEABLE
Nut,plain,hexagon
1660-00-672-1051127-6982 INTERCHANGEABLE
Bag,deployment Surv
H Koch & Sons Co
3040-01-023-531020468 INTERCHANGEABLE
Casing,flexible Shaft Assembly
Stewart-Warner Corporation
Cross-Reference Index
Part NumberManufacturer
20468 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
CR77049PC138 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5920-00-284-9220INTERCHANGEABLE
FUSE,CARTRIDGE
4310-00-391-3173INTERCHANGEABLE
RING SET,PISTON
204-68
5310-00-434-4249INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1660-00-672-1051INTERCHANGEABLE
BAG,DEPLOYMENT SURV
127-6982
3040-01-023-5310INTERCHANGEABLE
CASING,FLEXIBLE SHAFT ASSEMBLY
20468

Frequently Asked Questions

What is NSN 4820-00-061-5133?

NSN 4820-00-061-5133 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 4820-00-061-5133?

NSN 4820-00-061-5133 has 2 cross-referenced part numbers: 20468 (Eaton Aerospace, Llc Dba Jackson South), CR77049PC138 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4820-00-061-5133?

There are 5 known substitutes for 4820-00-061-5133: 5920-00-284-9220, 4310-00-391-3173, 5310-00-434-4249 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20468?

Key specifications for 20468: Overall Height: 0.250 INCHES NOMINAL IN; Seating Surface Shape: ANGULAR; Style Designator: PLAIN; 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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