PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20305Float,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-01-559-8946 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-559-8946 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-559-8946. Primary manufacturer part number: 20305.
Features
  • Float,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Shape: ROUND
  • 1 verified cross-reference
  • Primary manufacturer: Griswold Industries Dba Cla-Val Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Float,valve, cataloged under National Stock Number 4820-01-559-8946, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-559-8946
Primary Part Number20305
Item NameFloat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
ShapeROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-156-1863 INTERCHANGEABLE
Bearing,ball,thrust
7310-00-172-375720305 INTERCHANGEABLE
Valve,milk Dispenser
Silver King Refrigeration Inc.
5945-00-346-1705 INTERCHANGEABLE
Solenoid,electrical
6630-00-408-163220305 INTERCHANGEABLE
Parts Kit,blod Gas
Werfen Usa Llc
2540-00-488-841620305 INTERCHANGEABLE
Arm,windshield Wiper
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
3110-00-554-5840225305-6 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3120-00-661-312411145-37 INTERCHANGEABLE
Bearing,washer,thrust
Cummins Inc.
5975-01-064-6411TW200-S INTERCHANGEABLE
Box Connector,electrical
Egs Electrical Group Appleton Div
5325-01-180-2538 INTERCHANGEABLE
Grommet,nonmetallic
1005-01-544-609220305 INTERCHANGEABLE
Scope Assembly
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
20305 PRIMARY Griswold Industries Dba Cla-Val Co (USA)
Related Parts
3110-00-156-1863INTERCHANGEABLE
BEARING,BALL,THRUST
7310-00-172-3757INTERCHANGEABLE
VALVE,MILK DISPENSER
20305
5945-00-346-1705INTERCHANGEABLE
SOLENOID,ELECTRICAL
6630-00-408-1632INTERCHANGEABLE
PARTS KIT,BLOD GAS
20305
2540-00-488-8416INTERCHANGEABLE
ARM,WINDSHIELD WIPER
20305
3110-00-554-5840INTERCHANGEABLE
BEARING,BALL,ANNULAR
225305-6
3120-00-661-3124INTERCHANGEABLE
BEARING,WASHER,THRUST
11145-37
5975-01-064-6411INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
TW200-S
5325-01-180-2538INTERCHANGEABLE
GROMMET,NONMETALLIC
1005-01-544-6092INTERCHANGEABLE
SCOPE ASSEMBLY
20305

Frequently Asked Questions

What is NSN 4820-01-559-8946?

NSN 4820-01-559-8946 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 4820-01-559-8946?

NSN 4820-01-559-8946 has 1 cross-referenced part number: 20305 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-559-8946?

There are 10 known substitutes for 4820-01-559-8946: 3110-00-156-1863, 7310-00-172-3757, 5945-00-346-1705 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20305?

Key specifications for 20305: Material: STEEL CORROSION RESISTING; End Item Identification: 4820-01-559-8875; VACUUM BREAKER VALVE; Shape: ROUND. 3 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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