PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Y109101001Valve,flow Control

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-441-7723 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-441-7723 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-441-7723. Primary manufacturer part number: Y109101001.
Features
  • Valve,flow Control — FSC 4820
  • Body Material Document and Classification: ASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE
  • End Connection Quantity: 2
  • Bolt Hole Quantity: 4
  • Connection Type: FLANGE, ROUND W/HOLES
  • Face to Face Distance: 8.750 INCHES IN
  • Flange Face Design: RAISED
  • Pressure Class: ERR-060
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-441-7723, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-441-7723
Primary Part NumberY109101001
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Body Material Document and ClassificationASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE
End Connection Quantity2
Bolt Hole Quantity4
Connection TypeFLANGE, ROUND W/HOLES
Face to Face Distance8.750 INCHES IN
Flange Face DesignRAISED
Pressure ClassERR-060
Body MaterialSTEEL UNS J03002
Flange Diameter5.000 INCHES IN
Valve Size1.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-441-7720A74078 INTERCHANGEABLE
Gasket,seat
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
Y109101001 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
S520202701 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
S520202701 CDS-33136N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4820-01-441-7720INTERCHANGEABLE
GASKET,SEAT
A74078

Frequently Asked Questions

What is NSN 4820-01-441-7723?

NSN 4820-01-441-7723 is a Valve,flow Control, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-441-7723?

NSN 4820-01-441-7723 has 3 cross-referenced part numbers: Y109101001 (Leslie Controls, Inc. Dba Leslie Controls Inc), S520202701 (Leslie Controls, Inc. Dba Leslie Controls Inc), S520202701 CDS-33136N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-441-7723?

There is 1 known substitute for 4820-01-441-7723: 4820-01-441-7720. Verify interchangeability with system specifications before substitution.

What are the specifications of Y109101001?

Key specifications for Y109101001: Body Material Document and Classification: ASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE; End Connection Quantity: 2; Bolt Hole Quantity: 4; Connection Type: FLANGE, ROUND W/HOLES. 12 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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