PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C1925BDisk,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-01-149-1014 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-149-1014 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-149-1014. Primary manufacturer part number: C1925B.
Features
  • Disk,valve — FSC 4820
  • Material: COPPER ALLOY
  • Outside Diameter: 3.545 INCHES NOMINAL IN
  • Inside Diameter: 0.500 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • 2 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 Copper Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-149-1014, 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 2 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
NSN4820-01-149-1014
Primary Part NumberC1925B
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
MaterialCOPPER ALLOY
Outside Diameter3.545 INCHES NOMINAL IN
Inside Diameter0.500 INCHES NOMINAL IN
Style DesignatorPLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2020-00-097-1009C-1925 INTERCHANGEABLE
Cylinder,hydraulic
Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division
4820-01-340-1538VA-1887 PIECE 5 INTERCHANGEABLE
Ball,valve,ported
Hunt Valve Company, Inc.
5940-01-514-9325C1925 INTERCHANGEABLE
Terminal,feedthru
Cooper Bussmann
5940-01-576-8790C1925B INTERCHANGEABLE
Terminal Junction Block,sectiona
Cooper Bussmann
5940-01-609-0237C1925 INTERCHANGEABLE
Terminal,feedthru
Cooper Bussmann, Llc Dba Cooper Industries
Cross-Reference Index
Part NumberManufacturer
C1925B PRIMARY Griswold Industries Dba Cla-Val Co (USA)
C1925 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
2020-00-097-1009INTERCHANGEABLE
CYLINDER,HYDRAULIC
C-1925
4820-01-340-1538INTERCHANGEABLE
BALL,VALVE,PORTED
VA-1887 PIECE 5
5940-01-514-9325INTERCHANGEABLE
TERMINAL,FEEDTHRU
C1925
5940-01-576-8790INTERCHANGEABLE
TERMINAL JUNCTION BLOCK,SECTIONA
C1925B
5940-01-609-0237INTERCHANGEABLE
TERMINAL,FEEDTHRU
C1925

Frequently Asked Questions

What is NSN 4820-01-149-1014?

NSN 4820-01-149-1014 is a Disk,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 4820-01-149-1014?

NSN 4820-01-149-1014 has 2 cross-referenced part numbers: C1925B (Griswold Industries Dba Cla-Val Co), C1925 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-149-1014?

There are 5 known substitutes for 4820-01-149-1014: 2020-00-097-1009, 4820-01-340-1538, 5940-01-514-9325 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C1925B?

Key specifications for C1925B: Material: COPPER ALLOY; Overall Height: 0.750 INCHES NOMINAL IN; Outside Diameter: 3.545 INCHES NOMINAL IN; Inside Diameter: 0.500 INCHES NOMINAL IN. 6 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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