PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30582BDisk,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-01-017-4445 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-017-4445 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-017-4445. Primary manufacturer part number: 30582B.
Features
  • Disk,valve — FSC 4820
  • Inside Diameter: 0.375 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Material: NICKEL ALLOY
  • Outside Diameter: 2.000 INCHES NOMINAL IN
  • 4 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 Nickel Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-017-4445, 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 4 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
NSN4820-01-017-4445
Primary Part Number30582B
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Inside Diameter0.375 INCHES NOMINAL IN
Style DesignatorPLAIN
MaterialNICKEL ALLOY
Outside Diameter2.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6510-00-201-4150MDS21462 INTERCHANGEABLE
Ball,absorbent
Medline Industries, Lp
5360-00-291-7137 INTERCHANGEABLE
Spring,helical,compression
5961-00-407-2445 INTERCHANGEABLE
Semiconductor Device,diode
4710-01-703-562930582 INTERCHANGEABLE
Tube,bent,metallic
Charles Reed Knight Jr Dba Knight's Armament Company
4820-01-725-271330582 INTERCHANGEABLE
Cage,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
73888 ITEM 6 Griswold Industries Dba Cla-Val Co (USA)
80788ITEM6 Griswold Industries Dba Cla-Val Co (USA)
30582 Griswold Industries Dba Cla-Val Co (USA)
30582B PRIMARY Griswold Industries Dba Cla-Val Co (USA)
Related Parts
6510-00-201-4150INTERCHANGEABLE
BALL,ABSORBENT
MDS21462
5360-00-291-7137INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5961-00-407-2445INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4710-01-703-5629INTERCHANGEABLE
TUBE,BENT,METALLIC
30582
4820-01-725-2713INTERCHANGEABLE
CAGE,VALVE
30582

Frequently Asked Questions

What is NSN 4820-01-017-4445?

NSN 4820-01-017-4445 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 4820-01-017-4445?

NSN 4820-01-017-4445 has 4 cross-referenced part numbers: 73888 ITEM 6 (Griswold Industries Dba Cla-Val Co), 80788ITEM6 (Griswold Industries Dba Cla-Val Co), 30582 (Griswold Industries Dba Cla-Val Co), 30582B (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-017-4445?

There are 5 known substitutes for 4820-01-017-4445: 6510-00-201-4150, 5360-00-291-7137, 5961-00-407-2445 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30582B?

Key specifications for 30582B: Inside Diameter: 0.375 INCHES NOMINAL IN; Style Designator: PLAIN; Overall Height: 0.188 INCHES NOMINAL IN; Material: NICKEL ALLOY. 5 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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