PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35851Seat,valve

Eaton Aerospace, Llc Dba Jackson South · NSN 4820-01-190-3420 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-190-3420 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-190-3420. Primary manufacturer part number: 35851.
Features
  • Seat,valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-190-3420, 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. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 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 Jackson South (CAGE 62983); Reidville Hydraulics & Mfg Inc (CAGE 0BTV3)
Technical Specifications
ParameterValue
NSN4820-01-190-3420
Primary Part Number35851
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-212-782735851 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
2520-00-481-253132ARB1-G INTERCHANGEABLE
Power Takeoff,transmission
Dana Corp Spicer Transmission Div
6680-00-792-078635851 INTERCHANGEABLE
Indicator,liquid Quantity
Teleflex Inc Electrical Systems Div
5930-01-035-379935851 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5310-01-441-0598 INTERCHANGEABLE
Nut,plain,round
Cross-Reference Index
Part NumberManufacturer
35851 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
35851 Reidville Hydraulics & Mfg Inc (USA)
71602-1PIECE160 Reidville Hydraulics & Mfg Inc (USA)
71602-1PIECE160 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5950-00-212-7827INTERCHANGEABLE
REACTOR
35851
2520-00-481-2531INTERCHANGEABLE
POWER TAKEOFF,TRANSMISSION
32ARB1-G
6680-00-792-0786INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
35851
5930-01-035-3799INTERCHANGEABLE
SWITCH,FLOW
35851
5310-01-441-0598INTERCHANGEABLE
NUT,PLAIN,ROUND

Frequently Asked Questions

What is NSN 4820-01-190-3420?

NSN 4820-01-190-3420 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 4820-01-190-3420?

NSN 4820-01-190-3420 has 4 cross-referenced part numbers: 35851 (Eaton Aerospace, Llc Dba Jackson South), 35851 (Reidville Hydraulics & Mfg Inc), 71602-1PIECE160 (Reidville Hydraulics & Mfg Inc), 71602-1PIECE160 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4820-01-190-3420?

There are 5 known substitutes for 4820-01-190-3420: 5950-00-212-7827, 2520-00-481-2531, 6680-00-792-0786 and 2 more. Verify interchangeability with system specifications before substitution.

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