PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44475Disk,valve

Spirax Sarco Inc Dba Spirax Sarco · NSN 4820-00-213-0230 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-213-0230 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-213-0230. Primary manufacturer part number: 44475.
Features
  • Disk,valve — FSC 4820
  • Seat Angle: 60.0 DEGREES NOMINAL
  • Style Designator: PLUG
  • Thread Series Designator: UNF
  • Nominal Thread Size: 0.312 INCHES IN
  • Outside Diameter: 0.650 INCHES NOMINAL IN
  • Material: NICKEL ALLOY
  • Thread Class: 2B
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 4820-00-213-0230, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-213-0230
Primary Part Number44475
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusACTIVE
Seat Angle60.0 DEGREES NOMINAL
Style DesignatorPLUG
Thread Series DesignatorUNF
Nominal Thread Size0.312 INCHES IN
Outside Diameter0.650 INCHES NOMINAL IN
MaterialNICKEL ALLOY
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5133-00-061-628944475 INTERCHANGEABLE
Drill,twist
Greenfield Industries Inc
Cross-Reference Index
Part NumberManufacturer
44475 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
Related Parts
5133-00-061-6289INTERCHANGEABLE
DRILL,TWIST
44475

Frequently Asked Questions

What is NSN 4820-00-213-0230?

NSN 4820-00-213-0230 is a Disk,valve, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-213-0230?

NSN 4820-00-213-0230 has 1 cross-referenced part number: 44475 (Spirax Sarco Inc Dba Spirax Sarco).

What NSN replaces 4820-00-213-0230?

There is 1 known substitute for 4820-00-213-0230: 5133-00-061-6289. Verify interchangeability with system specifications before substitution.

What are the specifications of 44475?

Key specifications for 44475: Seat Angle: 60.0 DEGREES NOMINAL; Style Designator: PLUG; Thread Series Designator: UNF; Nominal Thread Size: 0.312 INCHES IN. 9 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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