PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20963Seat,valve

Eaton Corp Controls Div · NSN 4820-00-328-3217 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-328-3217 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-328-3217. Primary manufacturer part number: 20963.
Features
  • Seat,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corp Controls Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-328-3217, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Corp Controls Div. This item has 1 commercial cross-reference 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 Corp Controls Div (CAGE 81997)
Technical Specifications
ParameterValue
NSN4820-00-328-3217
Primary Part Number20963
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Corp Controls Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5910-00-539-601920963 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Raytheon Company Dba Raytheon
5935-00-716-657820963 INTERCHANGEABLE
Backshell,electrical Connector
Itt Cannon Llc
3040-01-388-377620963 INTERCHANGEABLE
Cam,control
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
20963 Eaton Corp Controls Div (USA)
Related Parts
5910-00-539-6019INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
20963
5935-00-716-6578INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
20963
3040-01-388-3776INTERCHANGEABLE
CAM,CONTROL
20963

Frequently Asked Questions

What is NSN 4820-00-328-3217?

NSN 4820-00-328-3217 is a Seat,valve, manufactured by Eaton Corp Controls Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-328-3217?

NSN 4820-00-328-3217 has 1 cross-referenced part number: 20963 (Eaton Corp Controls Div).

What NSN replaces 4820-00-328-3217?

There are 3 known substitutes for 4820-00-328-3217: 5910-00-539-6019, 5935-00-716-6578, 3040-01-388-3776. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com