PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P10772ADisk,valve

Atlas Valve Co · NSN 4820-01-428-9790 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-428-9790 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-428-9790. Primary manufacturer part number: P10772A.
Features
  • Disk,valve — FSC 4820
  • Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Style Designator: PLAIN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Media for Which Designed: WATER, SALT
  • 3 verified cross-references
  • Primary manufacturer: Atlas Valve Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-428-9790, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Atlas Valve Co. Government technical data includes 4 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-428-9790
Primary Part NumberP10772A
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAtlas Valve Co
StatusACTIVE
Pressure Rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Style DesignatorPLAIN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Media for Which DesignedWATER, SALT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-01-376-271240506-905 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-428-9787 INTERCHANGEABLE
Diaphragm,valve,flat
4820-01-428-9788 INTERCHANGEABLE
Seat,valve
Cross-Reference Index
Part NumberManufacturer
P10772A Atlas Valve Co (USA)
NAP953 Atlas Valve Co (USA)
NAP953 FIND 14 Atlas Valve Co (USA)
Related Parts
4820-01-376-2712INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40506-905
4820-01-428-9787INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
4820-01-428-9788INTERCHANGEABLE
SEAT,VALVE

Frequently Asked Questions

What is NSN 4820-01-428-9790?

NSN 4820-01-428-9790 is a Disk,valve, manufactured by Atlas Valve Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-428-9790?

NSN 4820-01-428-9790 has 3 cross-referenced part numbers: P10772A (Atlas Valve Co), NAP953 (Atlas Valve Co), NAP953 FIND 14 (Atlas Valve Co).

What NSN replaces 4820-01-428-9790?

There are 3 known substitutes for 4820-01-428-9790: 4820-01-376-2712, 4820-01-428-9787, 4820-01-428-9788. Verify interchangeability with system specifications before substitution.

What are the specifications of P10772A?

Key specifications for P10772A: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; End Item Identification: FORRESTAL CLASS CV; Style Designator: PLAIN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 5 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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