PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P3203Seat,valve

Generac Mobile Products, Llc · NSN 4820-01-178-6436 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-178-6436 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-178-6436. Primary manufacturer part number: P3203.
Features
  • Seat,valve — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Generac Mobile Products, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-178-6436, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Generac Mobile Products, Llc. This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 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)
ManufacturersGenerac Mobile Products, Llc (CAGE 0SUA9); C. H. & E. Manufacturing Co. Inc Div Abs Dewatering (CAGE 10190)
Technical Specifications
ParameterValue
NSN4820-01-178-6436
Primary Part NumberP3203
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGenerac Mobile Products, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2940-00-299-081742742 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5985-00-561-339129196-2 INTERCHANGEABLE
Attenuator,variable
Raytheon Company Dba Raytheon
1680-00-679-20874274-2 INTERCHANGEABLE
Cap,panel,detail S1
B/e Aerospace Inc Dba Interturbine
3439-00-923-33241000060 INTERCHANGEABLE
Welding Powder,metallic Overlay
Oerlikon Metco Us Inc
5950-01-098-0024SM-C-746122 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5962-01-178-239942742 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5315-01-336-935942742 INTERCHANGEABLE
Key,woodruff
Ke Marine Inc Dba Ke Marine Inc
Cross-Reference Index
Part NumberManufacturer
42742 Generac Mobile Products, Llc (USA)
43742 Generac Mobile Products, Llc (USA)
P3203 C. H. & E. Manufacturing Co. Inc Div Abs Dewatering (USA)
P3203 PRIMARY Generac Mobile Products, Llc (USA)
42742 C. H. & E. Manufacturing Co. Inc Div Abs Dewatering (USA)
Related Parts
2940-00-299-0817INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42742
5985-00-561-3391INTERCHANGEABLE
ATTENUATOR,VARIABLE
29196-2
1680-00-679-2087INTERCHANGEABLE
CAP,PANEL,DETAIL S1
4274-2
3439-00-923-3324INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
1000060
5950-01-098-0024INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-746122
5962-01-178-2399INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42742
5315-01-336-9359INTERCHANGEABLE
KEY,WOODRUFF
42742

Frequently Asked Questions

What is NSN 4820-01-178-6436?

NSN 4820-01-178-6436 is a Seat,valve, manufactured by Generac Mobile Products, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-178-6436?

NSN 4820-01-178-6436 has 5 cross-referenced part numbers: 42742 (Generac Mobile Products, Llc), 43742 (Generac Mobile Products, Llc), P3203 (C. H. & E. Manufacturing Co. Inc Div Abs Dewatering), P3203 (Generac Mobile Products, Llc), 42742 (C. H. & E. Manufacturing Co. Inc Div Abs Dewatering).

What NSN replaces 4820-01-178-6436?

There are 7 known substitutes for 4820-01-178-6436: 2940-00-299-0817, 5985-00-561-3391, 1680-00-679-2087 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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