PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

720-51Diaphragm,actuator Valve,special

Pentair Filtration Solutions, Llc · NSN 4820-01-080-9642 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-080-9642 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-080-9642. Primary manufacturer part number: 720-51.
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • Taper Minor Diameter: 1.312 INCHES NOMINAL IN
  • Outside Diameter: 2.520 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • 1 verified cross-reference
  • Primary manufacturer: Pentair Filtration Solutions, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic construction
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-080-9642, 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 3 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-080-9642
Primary Part Number720-51
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPentair Filtration Solutions, Llc
StatusACTIVE
Taper Minor Diameter1.312 INCHES NOMINAL IN
Outside Diameter2.520 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-291-44981913080 INTERCHANGEABLE
Washer,flat
Borgwarner Pds (anderson), L.l.c.
6240-00-474-580214217 INTERCHANGEABLE
Lamp,metal Halide
Generac Mobile Products, Llc
2840-01-130-963472051 INTERCHANGEABLE
Bellows,turbine Nozzle
Eaton Corporation Dba Eaton Inoac Div Eaton
7025-01-604-612572051 INTERCHANGEABLE
Interface Unit,automatic Data Pr
Extreme Networks, Inc
Cross-Reference Index
Part NumberManufacturer
720-51 PRIMARY Pentair Filtration Solutions, Llc (USA)
Related Parts
5310-00-291-4498INTERCHANGEABLE
WASHER,FLAT
1913080
6240-00-474-5802INTERCHANGEABLE
LAMP,METAL HALIDE
14217
2840-01-130-9634INTERCHANGEABLE
BELLOWS,TURBINE NOZZLE
72051
7025-01-604-6125INTERCHANGEABLE
INTERFACE UNIT,AUTOMATIC DATA PR
72051

Frequently Asked Questions

What is NSN 4820-01-080-9642?

NSN 4820-01-080-9642 is a Diaphragm,actuator Valve,special, manufactured by Pentair Filtration Solutions, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-080-9642?

NSN 4820-01-080-9642 has 1 cross-referenced part number: 720-51 (Pentair Filtration Solutions, Llc).

What NSN replaces 4820-01-080-9642?

There are 4 known substitutes for 4820-01-080-9642: 5310-00-291-4498, 6240-00-474-5802, 2840-01-130-9634 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 720-51?

Key specifications for 720-51: Taper Minor Diameter: 1.312 INCHES NOMINAL IN; Outside Diameter: 2.520 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC; Special Features: FURNISHED W/ STEEL INSERT. 4 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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