PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SF15Disk,valve

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4820-00-218-4395 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-218-4395 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-218-4395. Primary manufacturer part number: SF15.
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 4.250 INCHES NOMINAL IN
  • Material Thickness: 0.078 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • Inside Diameter: 0.688 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-218-4395, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 4 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-218-4395
Primary Part NumberSF15
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Outside Diameter4.250 INCHES NOMINAL IN
Material Thickness0.078 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Inside Diameter0.688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3130-00-108-0573RCJ15/16 INTERCHANGEABLE
Bearing Unit,ball
Timken Co Div the Timken Company
9905-01-054-0475SF1-5 INTERCHANGEABLE
Sign
Federal Prison Industries, Inc - Ebg
3510-01-184-2871 INTERCHANGEABLE
Fork,adjusting
Cross-Reference Index
Part NumberManufacturer
SF15 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
3130-00-108-0573INTERCHANGEABLE
BEARING UNIT,BALL
RCJ15/16
9905-01-054-0475INTERCHANGEABLE
SIGN
SF1-5
3510-01-184-2871INTERCHANGEABLE
FORK,ADJUSTING

Frequently Asked Questions

What is NSN 4820-00-218-4395?

NSN 4820-00-218-4395 is a Disk,valve, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-218-4395?

NSN 4820-00-218-4395 has 1 cross-referenced part number: SF15 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4820-00-218-4395?

There are 3 known substitutes for 4820-00-218-4395: 3130-00-108-0573, 9905-01-054-0475, 3510-01-184-2871. Verify interchangeability with system specifications before substitution.

What are the specifications of SF15?

Key specifications for SF15: End Item Identification: WARREN PUMPS MODEL BS5-2021 RECIPROCATING PUMP; Outside Diameter: 4.250 INCHES NOMINAL IN; Material Thickness: 0.078 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 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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