PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS4820-0082Seat,valve

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 4820-00-446-3353 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-446-3353 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-446-3353. Primary manufacturer part number: CS4820-0082.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL OVERALL
  • Seating Surface Shape: ANGULAR
  • Seat Angle in Deg: 45.000 NOMINAL
  • Body Inside Diameter: 0.938 INCHES NOMINAL IN
  • Seal Accommodation Type: RECESSED
  • Body Outside Diameter: 1.375 INCHES NOMINAL IN
  • Style Designator: PLAIN FLANGED
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 4820-00-446-3353, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 32 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-446-3353
Primary Part NumberCS4820-0082
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
MaterialSTEEL OVERALL
Seating Surface ShapeANGULAR
Seat Angle in Deg45.000 NOMINAL
Body Inside Diameter0.938 INCHES NOMINAL IN
Seal Accommodation TypeRECESSED
Body Outside Diameter1.375 INCHES NOMINAL IN
Style DesignatorPLAIN FLANGED
Flange Diameter3.500 INCHES NOMINAL IN
Under Flange Height1.531 INCHES NOMINAL IN
Flange Seat to Disk End Height0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5945-00-048-745910693 INTERCHANGEABLE
Relay,electromagnetic
Kurz & Root Generator Company, Llc
5330-00-232-7983106-93 INTERCHANGEABLE
Seal,special Shape
Kirkhill Inc Div Kirkhill Inc, Haskon Division
5950-00-250-760010693 INTERCHANGEABLE
Transformer,pulse
Magnetika Inc Div Magnetika/phillipsburg Location
5895-00-372-303510693 INTERCHANGEABLE
Converter,signal Data
Naval Ship Systems Command
5950-00-401-73471018846-002 INTERCHANGEABLE
Transformer,radio Frequency
Lexel Imaging Systems Inc
4720-00-771-3129353-048-0045 INTERCHANGEABLE
Hose Assembly,metallic
Senior Operations Llc Div Senior Aerospace Ssp
1560-00-949-2087 INTERCHANGEABLE
Adapter,pressure Fuel Servicing
4320-01-141-414410693 INTERCHANGEABLE
Parts Kit,centrifugal Pump
Oberdorfer Foundries Inc
5360-01-260-462910693 INTERCHANGEABLE
Spring,helical,compression
Consolidated Sewing Machine Corp
6685-01-547-973410690-01E INTERCHANGEABLE
Case,thermometer
Griswold Industries Dba Cla-Val Co
Cross-Reference Index
Part NumberManufacturer
5570NPC36 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
XS117-1PC13 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS200-4PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS200-23PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS200-2PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
5569NPC36 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS200-12PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
10693 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS200-11PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS200-7PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS200-25PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS200-15PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
CS4820-0082 PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
PNS200-16PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS200-21PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
XS117-3PC13 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS200-6PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
5568NPC36 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS200-8PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
PNS200-1PC13-65 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5945-00-048-7459INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
10693
5330-00-232-7983INTERCHANGEABLE
SEAL,SPECIAL SHAPE
106-93
5950-00-250-7600INTERCHANGEABLE
TRANSFORMER,PULSE
10693
5895-00-372-3035INTERCHANGEABLE
CONVERTER,SIGNAL DATA
10693
5950-00-401-7347INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
1018846-002
4720-00-771-3129INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
353-048-0045
1560-00-949-2087INTERCHANGEABLE
ADAPTER,PRESSURE FUEL SERVICING
4320-01-141-4144INTERCHANGEABLE
PARTS KIT,CENTRIFUGAL PUMP
10693
5360-01-260-4629INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
10693
6685-01-547-9734INTERCHANGEABLE
CASE,THERMOMETER
10690-01E
5360-01-547-9746INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
10692C

Frequently Asked Questions

What is NSN 4820-00-446-3353?

NSN 4820-00-446-3353 is a Seat,valve, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-446-3353?

NSN 4820-00-446-3353 has 32 cross-referenced part numbers: 5570NPC36 (Leslie Controls, Inc. Dba Leslie Controls Inc), XS117-1PC13 (Leslie Controls, Inc. Dba Leslie Controls Inc), PNS200-4PC13-65 (Leslie Controls, Inc. Dba Leslie Controls Inc), PNS200-23PC13-65 (Leslie Controls, Inc. Dba Leslie Controls Inc), PNS200-2PC13-65 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 27 more.

What NSN replaces 4820-00-446-3353?

There are 11 known substitutes for 4820-00-446-3353: 5945-00-048-7459, 5330-00-232-7983, 5950-00-250-7600 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CS4820-0082?

Key specifications for CS4820-0082: End Item Identification: LESLIE PUMP PRESSURE GOVERNOR 2 IN.SIZE IN; Material: STEEL OVERALL; Seating Surface Shape: ANGULAR; Seat Angle in Deg: 45.000 NOMINAL. 11 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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