PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1399962Disk,valve

Rosemount Analytical, Inc. Div Process Analytical Division · NSN 4820-00-139-3122 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-139-3122 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-139-3122. Primary manufacturer part number: 1399962.
Features
  • Disk,valve — FSC 4820
  • Style Designator: PLAIN
  • Inside Diameter: 0.188 INCHES NOMINAL IN
  • Outside Diameter: 0.877 INCHES NOMINAL IN
  • Material: STEEL
  • 3 verified cross-references
  • Primary manufacturer: Rosemount Analytical, Inc. Div Process Analytical Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-139-3122, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rosemount Analytical, Inc. Div Process Analytical Division. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-139-3122
Primary Part Number1399962
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRosemount Analytical, Inc. Div Process Analytical Division
StatusACTIVE
Style DesignatorPLAIN
Inside Diameter0.188 INCHES NOMINAL IN
Outside Diameter0.877 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6105-00-325-1647139962 INTERCHANGEABLE
Flywheel,motor
Telemechanics Inc
4820-01-011-6688 INTERCHANGEABLE
Cup,valve
Cross-Reference Index
Part NumberManufacturer
1399962 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
13996-2 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
139962 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
Related Parts
6105-00-325-1647INTERCHANGEABLE
FLYWHEEL,MOTOR
139962
4820-01-011-6688INTERCHANGEABLE
CUP,VALVE

Frequently Asked Questions

What is NSN 4820-00-139-3122?

NSN 4820-00-139-3122 is a Disk,valve, manufactured by Rosemount Analytical, Inc. Div Process Analytical Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-139-3122?

NSN 4820-00-139-3122 has 3 cross-referenced part numbers: 1399962 (Rosemount Analytical, Inc. Div Process Analytical Division), 13996-2 (Rosemount Analytical, Inc. Div Process Analytical Division), 139962 (Rosemount Analytical, Inc. Div Process Analytical Division).

What NSN replaces 4820-00-139-3122?

There are 2 known substitutes for 4820-00-139-3122: 6105-00-325-1647, 4820-01-011-6688. Verify interchangeability with system specifications before substitution.

What are the specifications of 1399962?

Key specifications for 1399962: Style Designator: PLAIN; Inside Diameter: 0.188 INCHES NOMINAL IN; Overall Height: 0.315 INCHES NOMINAL IN; Outside Diameter: 0.877 INCHES NOMINAL IN. 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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