PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16961Disk,valve

Flowserve Inc · NSN 4820-01-122-4129 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-122-4129 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-122-4129. Primary manufacturer part number: 16961.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 2 verified cross-references
  • Primary manufacturer: Flowserve 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 4820-01-122-4129, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-122-4129
Primary Part Number16961
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6620-00-526-8302 INTERCHANGEABLE
Transmitter,pressure
Cross-Reference Index
Part NumberManufacturer
16961 PRIMARY Flowserve Inc (USA)
16961 3/4IN 13- Flowserve Inc (USA)
Related Parts
6620-00-526-8302INTERCHANGEABLE
TRANSMITTER,PRESSURE

Frequently Asked Questions

What is NSN 4820-01-122-4129?

NSN 4820-01-122-4129 is a Disk,valve, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-122-4129?

NSN 4820-01-122-4129 has 2 cross-referenced part numbers: 16961 (Flowserve Inc), 16961 3/4IN 13- (Flowserve Inc).

What NSN replaces 4820-01-122-4129?

There is 1 known substitute for 4820-01-122-4129: 6620-00-526-8302. Verify interchangeability with system specifications before substitution.

What are the specifications of 16961?

Key specifications for 16961: Material: STEEL CORROSION RESISTING. 1 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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