PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

139962Cup,valve

Rosemount Analytical, Inc. Div Process Analytical Division · NSN 4820-01-011-6688 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-011-6688 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-011-6688. Primary manufacturer part number: 139962.
Features
  • Cup,valve — FSC 4820
  • 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
General Description

The Cup,valve, cataloged under National Stock Number 4820-01-011-6688, 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. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCup,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersRosemount Analytical, Inc. Div Process Analytical Division (CAGE 24821)
Technical Specifications
ParameterValue
NSN4820-01-011-6688
Primary Part Number139962
Item NameCup,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRosemount Analytical, Inc. Div Process Analytical Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-139-3122 INTERCHANGEABLE
Disk,valve
5940-00-152-3829171963 INTERCHANGEABLE
Conductor
Lucent Technologies Inc Corporate Headquarters
6105-00-325-1647139962 INTERCHANGEABLE
Flywheel,motor
Telemechanics Inc
3010-01-011-6767 INTERCHANGEABLE
Bellows,pressure
3010-01-012-9994 INTERCHANGEABLE
Bellows,pressure
Cross-Reference Index
Part NumberManufacturer
139962 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
541802 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
171963 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
Related Parts
4820-00-139-3122INTERCHANGEABLE
DISK,VALVE
5940-00-152-3829INTERCHANGEABLE
CONDUCTOR
171963
6105-00-325-1647INTERCHANGEABLE
FLYWHEEL,MOTOR
139962
3010-01-011-6767INTERCHANGEABLE
BELLOWS,PRESSURE
3010-01-012-9994INTERCHANGEABLE
BELLOWS,PRESSURE

Frequently Asked Questions

What is NSN 4820-01-011-6688?

NSN 4820-01-011-6688 is a Cup,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 4820-01-011-6688?

NSN 4820-01-011-6688 has 3 cross-referenced part numbers: 139962 (Rosemount Analytical, Inc. Div Process Analytical Division), 541802 (Rosemount Analytical, Inc. Div Process Analytical Division), 171963 (Rosemount Analytical, Inc. Div Process Analytical Division).

What NSN replaces 4820-01-011-6688?

There are 5 known substitutes for 4820-01-011-6688: 4820-00-139-3122, 5940-00-152-3829, 6105-00-325-1647 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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