PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C3649FFloat,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-01-239-9216 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-239-9216 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-239-9216. Primary manufacturer part number: C3649F.
Features
  • Float,valve — FSC 4820
  • Material: NICKEL ALLOY
  • Overall Diameter: 5.000 INCHES NOMINAL IN
  • Shape: ROUND
  • System for Which Designed: OPEN
  • 5 verified cross-references
  • Primary manufacturer: Griswold Industries Dba Cla-Val Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Float,valve, cataloged under National Stock Number 4820-01-239-9216, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN4820-01-239-9216
Primary Part NumberC3649F
Item NameFloat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
MaterialNICKEL ALLOY
Overall Diameter5.000 INCHES NOMINAL IN
ShapeROUND
System for Which DesignedOPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2920-00-431-0169WKA225T38 INTERCHANGEABLE
Spark Plug
Robert Bosch Gesellschaft Mit Beschrankter Haftung
2825-00-509-6319LA63547 INTERCHANGEABLE
Block,knife Edge
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
4820-01-239-891463547E INTERCHANGEABLE
Valve,float
Griswold Industries Dba Cla-Val Co
4820-01-239-904520830801H INTERCHANGEABLE
Stem,fluid Valve
Griswold Industries Dba Cla-Val Co
1630-01-649-953563-547 INTERCHANGEABLE
Nut,self Locking
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
Cross-Reference Index
Part NumberManufacturer
C3649 Griswold Industries Dba Cla-Val Co (USA)
C3649D Griswold Industries Dba Cla-Val Co (USA)
C3649F PRIMARY Griswold Industries Dba Cla-Val Co (USA)
63547 Griswold Industries Dba Cla-Val Co (USA)
63547 PIECE 3 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
2920-00-431-0169INTERCHANGEABLE
SPARK PLUG
WKA225T38
2825-00-509-6319INTERCHANGEABLE
BLOCK,KNIFE EDGE
LA63547
4820-01-239-8914INTERCHANGEABLE
VALVE,FLOAT
63547E
4820-01-239-9045INTERCHANGEABLE
STEM,FLUID VALVE
20830801H
1630-01-649-9535INTERCHANGEABLE
NUT,SELF LOCKING
63-547

Frequently Asked Questions

What is NSN 4820-01-239-9216?

NSN 4820-01-239-9216 is a Float,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-239-9216?

NSN 4820-01-239-9216 has 5 cross-referenced part numbers: C3649 (Griswold Industries Dba Cla-Val Co), C3649D (Griswold Industries Dba Cla-Val Co), C3649F (Griswold Industries Dba Cla-Val Co), 63547 (Griswold Industries Dba Cla-Val Co), 63547 PIECE 3 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-239-9216?

There are 5 known substitutes for 4820-01-239-9216: 2920-00-431-0169, 2825-00-509-6319, 4820-01-239-8914 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C3649F?

Key specifications for C3649F: Material: NICKEL ALLOY; Overall Diameter: 5.000 INCHES NOMINAL IN; Shape: ROUND; System for Which Designed: OPEN. 4 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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