PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25966DValve,float

Griswold Industries Dba Cla-Val Co · NSN 4820-01-448-2241 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-448-2241 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-448-2241. Primary manufacturer part number: 25966D.
Features
  • Valve,float — FSC 4820
  • Flange Shape: ROUND WITH HOLES ALL ENDS
  • Nominal Thickness: 0.440 INCHES ALL ENDS IN
  • Material: ALUMINUM BODY
  • Flange Face Design: PLAIN ALL ENDS
  • Bolt Hole Nominal Diameter: 0.406 INCHES ALL ENDS IN
  • Material: STEEL CORROSION RESISTING STEM
  • Connection Type: FLANGE ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Body construction
General Description

The Valve,float, cataloged under National Stock Number 4820-01-448-2241, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-448-2241
Primary Part Number25966D
Item NameValve,float
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Flange ShapeROUND WITH HOLES ALL ENDS
Nominal Thickness0.440 INCHES ALL ENDS IN
MaterialALUMINUM BODY
Flange Face DesignPLAIN ALL ENDS
Bolt Hole Nominal Diameter0.406 INCHES ALL ENDS IN
MaterialSTEEL CORROSION RESISTING STEM
Connection TypeFLANGE ALL ENDS
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Bolt Circle Nominal Diameter5.500 INCHES ALL ENDS IN
Flow Control DeviceBALL
Bolt Hole Quantity8 ALL ENDS
Nominal Outside Diameter6.380 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6105-00-413-772791296 INTERCHANGEABLE
Armature,motor
Northrop Grumman Systems Corporation
3120-00-591-896091296 INTERCHANGEABLE
Bearing,sleeve
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4930-01-050-352868757E INTERCHANGEABLE
Disk Assembly
Griswold Industries Dba Cla-Val Co
4730-01-188-31817328704H INTERCHANGEABLE
Nipple,pipe
Griswold Industries Dba Cla-Val Co
6625-01-260-71489-1296 INTERCHANGEABLE
Voltmeter
Standard Motor Products
5330-01-449-447891296 INTERCHANGEABLE
Seal Ring,metal
Bauer Equipment America, Inc.
4820-01-473-08551R06102 INTERCHANGEABLE
Valve,restrictor Check
Saf Industries Llc Dba Saf Industries Llc Div Garkenyon
Cross-Reference Index
Part NumberManufacturer
25966D PRIMARY Griswold Industries Dba Cla-Val Co (USA)
CFF19T-H2AS Griswold Industries Dba Cla-Val Co (USA)
91296 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
6105-00-413-7727INTERCHANGEABLE
ARMATURE,MOTOR
91296
3120-00-591-8960INTERCHANGEABLE
BEARING,SLEEVE
91296
4930-01-050-3528INTERCHANGEABLE
DISK ASSEMBLY
68757E
4730-01-188-3181INTERCHANGEABLE
NIPPLE,PIPE
7328704H
6625-01-260-7148INTERCHANGEABLE
VOLTMETER
9-1296
5330-01-449-4478INTERCHANGEABLE
SEAL RING,METAL
91296
4820-01-473-0855INTERCHANGEABLE
VALVE,RESTRICTOR CHECK
1R06102

Frequently Asked Questions

What is NSN 4820-01-448-2241?

NSN 4820-01-448-2241 is a Valve,float, 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 4820-01-448-2241?

NSN 4820-01-448-2241 has 3 cross-referenced part numbers: 25966D (Griswold Industries Dba Cla-Val Co), CFF19T-H2AS (Griswold Industries Dba Cla-Val Co), 91296 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-448-2241?

There are 7 known substitutes for 4820-01-448-2241: 6105-00-413-7727, 3120-00-591-8960, 4930-01-050-3528 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25966D?

Key specifications for 25966D: End Item Identification: SUPPORT EQUIPMENT, F-15 AIRCRAFT; Flange Shape: ROUND WITH HOLES ALL ENDS; Nominal Thickness: 0.440 INCHES ALL ENDS IN; Material: ALUMINUM BODY. 13 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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