PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

86950-01BFloat,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-01-272-6748 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-272-6748 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-272-6748. Primary manufacturer part number: 86950-01B.
Features
  • Float,valve — FSC 4820
  • Connection Type: UNTHREADED
  • Material: NICKEL ALLOY
  • Quantity: 1
  • Size Designator: 0.250 IN. DIA IN
  • Overall Diameter: 5.000 INCHES NOMINAL IN
  • Depth: 2.000 INCHES NOMINAL IN
  • Shape: ROUND
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 4820-01-272-6748, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-272-6748
Primary Part Number86950-01B
Item NameFloat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Connection TypeUNTHREADED
MaterialNICKEL ALLOY
Quantity1
Size Designator0.250 IN. DIA IN
Overall Diameter5.000 INCHES NOMINAL IN
Depth2.000 INCHES NOMINAL IN
ShapeROUND
System for Which DesignedOPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-01-103-6391CFF18M-H2 INTERCHANGEABLE
Valve Assembly,control
Griswold Industries Dba Cla-Val Co
4820-01-171-335386950-01 INTERCHANGEABLE
Float,ball,valve
Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.
4720-01-692-717989810 INTERCHANGEABLE
Hose Assembly,nonmetallic
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
89810 FIND 1 Griswold Industries Dba Cla-Val Co (USA)
89810 Griswold Industries Dba Cla-Val Co (USA)
86950-01B PRIMARY Griswold Industries Dba Cla-Val Co (USA)
86950-01 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
4820-01-103-6391INTERCHANGEABLE
VALVE ASSEMBLY,CONTROL
CFF18M-H2
4820-01-171-3353INTERCHANGEABLE
FLOAT,BALL,VALVE
86950-01
4720-01-692-7179INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
89810

Frequently Asked Questions

What is NSN 4820-01-272-6748?

NSN 4820-01-272-6748 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 4820-01-272-6748?

NSN 4820-01-272-6748 has 4 cross-referenced part numbers: 89810 FIND 1 (Griswold Industries Dba Cla-Val Co), 89810 (Griswold Industries Dba Cla-Val Co), 86950-01B (Griswold Industries Dba Cla-Val Co), 86950-01 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-272-6748?

There are 3 known substitutes for 4820-01-272-6748: 4820-01-103-6391, 4820-01-171-3353, 4720-01-692-7179. Verify interchangeability with system specifications before substitution.

What are the specifications of 86950-01B?

Key specifications for 86950-01B: Connection Type: UNTHREADED; Material: NICKEL ALLOY; Quantity: 1; Size Designator: 0.250 IN. DIA IN. 8 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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