PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N09447Seat,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-036-1553 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1553 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1553. Primary manufacturer part number: N09447.
Features
  • Seat,valve — FSC 4820
  • Thread Class: 2A SINGLE THREADED PORTION A
  • Flange Diameter: 2.375 INCHES NOMINAL IN
  • Under Flange Height: 0.500 INCHES NOMINAL IN
  • Flange Seat to Disk End Height: 0.188 INCHES NOMINAL IN
  • Seating Surface Shape: ANGULAR
  • Body Inside Diameter: 1.750 INCHES NOMINAL IN
  • Nominal Thread Size: 2.188 INCHES SINGLE THREADED PORTION IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-036-1553, 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 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1553
Primary Part NumberN09447
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Thread Class2A SINGLE THREADED PORTION A
Flange Diameter2.375 INCHES NOMINAL IN
Under Flange Height0.500 INCHES NOMINAL IN
Flange Seat to Disk End Height0.188 INCHES NOMINAL IN
Seating Surface ShapeANGULAR
Body Inside Diameter1.750 INCHES NOMINAL IN
Nominal Thread Size2.188 INCHES SINGLE THREADED PORTION IN
Thread Quantity Per Inch1 SINGLE THREADED PORTION
Style DesignatorTHREADED FLANGED
Seat Angle in Deg15.000 NOMINAL
MaterialSTEEL OVERALL
Thread Length0.563 INCHES NOMINAL SINGLE THREADED PORTION IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5975-00-351-6114SR-5P-4 INTERCHANGEABLE
Bushing,strain Relief,cable
Heyco Inc Dba Heyco Products
3030-00-555-308317451 GATOR BACK 20033566 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5325-00-671-69229447 INTERCHANGEABLE
Insert,screw Thread
Schneider Electric Systems Usa Inc
2530-01-624-07899447 INTERCHANGEABLE
Housing Assembly,plunger Brake,s
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
9447 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N09447 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5975-00-351-6114INTERCHANGEABLE
BUSHING,STRAIN RELIEF,CABLE
SR-5P-4
3030-00-555-3083INTERCHANGEABLE
BELT,V
17451 GATOR BACK 20033566
5325-00-671-6922INTERCHANGEABLE
INSERT,SCREW THREAD
9447
2530-01-624-0789INTERCHANGEABLE
HOUSING ASSEMBLY,PLUNGER BRAKE,S
9447

Frequently Asked Questions

What is NSN 4820-00-036-1553?

NSN 4820-00-036-1553 is a Seat,valve, 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 4820-00-036-1553?

NSN 4820-00-036-1553 has 2 cross-referenced part numbers: 9447 (Leslie Controls, Inc. Dba Leslie Controls Inc), N09447 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-00-036-1553?

There are 4 known substitutes for 4820-00-036-1553: 5975-00-351-6114, 3030-00-555-3083, 5325-00-671-6922 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N09447?

Key specifications for N09447: Thread Class: 2A SINGLE THREADED PORTION A; Flange Diameter: 2.375 INCHES NOMINAL IN; Under Flange Height: 0.500 INCHES NOMINAL IN; Flange Seat to Disk End Height: 0.188 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com