PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31925-01KFloat,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-01-218-6934 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-218-6934 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-218-6934. Primary manufacturer part number: 31925-01K.
Features
  • Float,valve — FSC 4820
  • Thread Location: INTERNAL
  • Shape: ROUND
  • Thread Size and Series/type Designator: 1/4-18 NPT
  • Quantity: 1
  • Material: STEEL CORROSION RESISTING
  • Connection Type: THREADED
  • System for Which Designed: CLOSED
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 4820-01-218-6934, 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 3 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
NSN4820-01-218-6934
Primary Part Number31925-01K
Item NameFloat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Thread LocationINTERNAL
ShapeROUND
Thread Size and Series/type Designator1/4-18 NPT
Quantity1
MaterialSTEEL CORROSION RESISTING
Connection TypeTHREADED
System for Which DesignedCLOSED
Overall Diameter4.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-01-040-610796408 INTERCHANGEABLE
Choke
Astec America Inc.
1055-01-084-59723192501 INTERCHANGEABLE
Launching System,ro
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-01-222-968436775F INTERCHANGEABLE
Stem,fluid Valve
Griswold Industries Dba Cla-Val Co
Cross-Reference Index
Part NumberManufacturer
31925-01 Griswold Industries Dba Cla-Val Co (USA)
31925-01K PRIMARY Griswold Industries Dba Cla-Val Co (USA)
96408 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
5950-01-040-6107INTERCHANGEABLE
CHOKE
96408
1055-01-084-5972INTERCHANGEABLE
LAUNCHING SYSTEM,RO
3192501
4820-01-222-9684INTERCHANGEABLE
STEM,FLUID VALVE
36775F

Frequently Asked Questions

What is NSN 4820-01-218-6934?

NSN 4820-01-218-6934 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 4820-01-218-6934?

NSN 4820-01-218-6934 has 3 cross-referenced part numbers: 31925-01 (Griswold Industries Dba Cla-Val Co), 31925-01K (Griswold Industries Dba Cla-Val Co), 96408 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-218-6934?

There are 3 known substitutes for 4820-01-218-6934: 5950-01-040-6107, 1055-01-084-5972, 4820-01-222-9684. Verify interchangeability with system specifications before substitution.

What are the specifications of 31925-01K?

Key specifications for 31925-01K: Thread Location: INTERNAL; Shape: ROUND; Thread Size and Series/type Designator: 1/4-18 NPT; Quantity: 1. 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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