PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4157-00Disk,valve

Pentair Filtration Solutions, Llc · NSN 4820-01-120-4112 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-120-4112 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-120-4112. Primary manufacturer part number: 4157-00.
Features
  • Disk,valve — FSC 4820
  • Material: PLASTIC
  • 2 verified cross-references
  • Primary manufacturer: Pentair Filtration Solutions, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-120-4112, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pentair Filtration Solutions, Llc. Government technical data includes 1 verified specification, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-120-4112
Primary Part Number4157-00
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPentair Filtration Solutions, Llc
StatusACTIVE
MaterialPLASTIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-097-98157S9826 INTERCHANGEABLE
Cap,pipe
Caterpillar Inc Div Caterpillar Defense
6605-00-188-902515700 INTERCHANGEABLE
Indicator,induction Compass
Kearfott Corporation Div Guidance and Navigation Division
5305-00-349-81694157 INTERCHANGEABLE
Screw,catch Hammer
Wakmann Watch Company Inc
5998-00-489-0604 INTERCHANGEABLE
Printed Wiring Board
5915-01-014-6218154037P1 INTERCHANGEABLE
Filter,band Pass
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
7035-01-204-9851 INTERCHANGEABLE
Head,magnetic
4820-01-227-1152227185-42 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5935-01-254-5258 INTERCHANGEABLE
Cover,electrical Connector
5310-01-273-2246 INTERCHANGEABLE
Washer,flat
9150-01-280-25344157 INTERCHANGEABLE
Grease,laboratory Apparatus Stop
Nch Corporation Dba Certified Laboratories Div Certified Laboratories
Cross-Reference Index
Part NumberManufacturer
4157 Pentair Filtration Solutions, Llc (USA)
4157-00 PRIMARY Pentair Filtration Solutions, Llc (USA)
Related Parts
4730-00-097-9815INTERCHANGEABLE
CAP,PIPE
7S9826
6605-00-188-9025INTERCHANGEABLE
INDICATOR,INDUCTION COMPASS
15700
5305-00-349-8169INTERCHANGEABLE
SCREW,CATCH HAMMER
4157
5998-00-489-0604INTERCHANGEABLE
PRINTED WIRING BOARD
5915-01-014-6218INTERCHANGEABLE
FILTER,BAND PASS
154037P1
7035-01-204-9851INTERCHANGEABLE
HEAD,MAGNETIC
4820-01-227-1152INTERCHANGEABLE
STEM,FLUID VALVE
227185-42
5935-01-254-5258INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
5310-01-273-2246INTERCHANGEABLE
WASHER,FLAT
9150-01-280-2534INTERCHANGEABLE
GREASE,LABORATORY APPARATUS STOP
4157
5305-01-379-2336INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
4157

Frequently Asked Questions

What is NSN 4820-01-120-4112?

NSN 4820-01-120-4112 is a Disk,valve, manufactured by Pentair Filtration Solutions, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-120-4112?

NSN 4820-01-120-4112 has 2 cross-referenced part numbers: 4157 (Pentair Filtration Solutions, Llc), 4157-00 (Pentair Filtration Solutions, Llc).

What NSN replaces 4820-01-120-4112?

There are 11 known substitutes for 4820-01-120-4112: 4730-00-097-9815, 6605-00-188-9025, 5305-00-349-8169 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4157-00?

Key specifications for 4157-00: Material: PLASTIC. 1 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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