PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

P3204Valve,flap

Generac Mobile Products, Llc · NSN 4820-01-178-9779 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-178-9779 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-178-9779. Primary manufacturer part number: P3204.
Features
  • Valve,flap — FSC 4820
  • General Characteristics Item Description: PART OF PUMP,CENTRIFUGAL
  • 2 verified cross-references
  • Primary manufacturer: Generac Mobile Products, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flap, cataloged under National Stock Number 4820-01-178-9779, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-178-9779
Primary Part NumberP3204
Item NameValve,flap
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGenerac Mobile Products, Llc
StatusACTIVE
General Characteristics Item DescriptionPART OF PUMP,CENTRIFUGAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4520-01-119-3651P-320-4 INTERCHANGEABLE
Heater,space,electric
Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
3439-01-130-9398METCO 450-NS INTERCHANGEABLE
Welding Powder,metallic Overlay
Oerlikon Metco Us Inc
Cross-Reference Index
Part NumberManufacturer
P3204 PRIMARY Generac Mobile Products, Llc (USA)
P3204 C. H. & E. Manufacturing Co. Inc Div Abs Dewatering (USA)
Related Parts
4520-01-119-3651INTERCHANGEABLE
HEATER,SPACE,ELECTRIC
P-320-4
3439-01-130-9398INTERCHANGEABLE
WELDING POWDER,METALLIC OVERLAY
METCO 450-NS

Frequently Asked Questions

What is NSN 4820-01-178-9779?

NSN 4820-01-178-9779 is a Valve,flap, manufactured by Generac Mobile Products, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-178-9779?

NSN 4820-01-178-9779 has 2 cross-referenced part numbers: P3204 (Generac Mobile Products, Llc), P3204 (C. H. & E. Manufacturing Co. Inc Div Abs Dewatering).

What NSN replaces 4820-01-178-9779?

There are 2 known substitutes for 4820-01-178-9779: 4520-01-119-3651, 3439-01-130-9398. Verify interchangeability with system specifications before substitution.

What are the specifications of P3204?

Key specifications for P3204: End Item Identification: CENTRIFUGAL PUMP,C H AND E CO,SERIES 2800 AND 4800; General Characteristics Item Description: PART OF PUMP,CENTRIFUGAL. 2 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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