PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2277-001Disk,valve

Prince Valve Inc · NSN 4820-00-579-8779 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-579-8779 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-579-8779. Primary manufacturer part number: 2277-001.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Outside Diameter: 8.625 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Prince Valve Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-579-8779, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Prince Valve Inc. Government technical data includes 2 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-579-8779
Primary Part Number2277-001
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPrince Valve Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Outside Diameter8.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6130-00-258-22491203-001 INTERCHANGEABLE
Power Supply
Standard Industries
7520-00-312-6124120-3000 INTERCHANGEABLE
Marker,tube Type
Sanford Corp
3040-00-334-82891203001 INTERCHANGEABLE
Shaft,shouldered
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5895-01-549-1475120300-1 INTERCHANGEABLE
Data Analysis Central
L3 Technologies, Inc. Div Communication Systems-West
Cross-Reference Index
Part NumberManufacturer
2277-001 Prince Valve Inc (USA)
A91460PC10ANDPC11 Prince Valve Inc (USA)
1203-001 Prince Valve Inc (USA)
Related Parts
6130-00-258-2249INTERCHANGEABLE
POWER SUPPLY
1203-001
7520-00-312-6124INTERCHANGEABLE
MARKER,TUBE TYPE
120-3000
3040-00-334-8289INTERCHANGEABLE
SHAFT,SHOULDERED
1203001
5895-01-549-1475INTERCHANGEABLE
DATA ANALYSIS CENTRAL
120300-1

Frequently Asked Questions

What is NSN 4820-00-579-8779?

NSN 4820-00-579-8779 is a Disk,valve, manufactured by Prince Valve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-579-8779?

NSN 4820-00-579-8779 has 3 cross-referenced part numbers: 2277-001 (Prince Valve Inc), A91460PC10ANDPC11 (Prince Valve Inc), 1203-001 (Prince Valve Inc).

What NSN replaces 4820-00-579-8779?

There are 4 known substitutes for 4820-00-579-8779: 6130-00-258-2249, 7520-00-312-6124, 3040-00-334-8289 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2277-001?

Key specifications for 2277-001: Material: STEEL CORROSION RESISTING; Outside Diameter: 8.625 INCHES NOMINAL IN. 2 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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