PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16641Disk,valve

Flowserve Inc · NSN 4820-01-284-1167 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-284-1167 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-284-1167. Primary manufacturer part number: 16641.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Temp Rating: 100.0 FAHRENHEIT NOMINAL DEGF
  • Pressure Rating: 3705.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • 1 verified cross-reference
  • 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 4820-01-284-1167, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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.

Technical Specifications
ParameterValue
NSN4820-01-284-1167
Primary Part Number16641
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Temp Rating100.0 FAHRENHEIT NOMINAL DEGF
Pressure Rating3705.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-057-7415011-2025-00-0-479 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
3110-00-225-2987T114RG1000 INTERCHANGEABLE
Bearing,ball,thrust
Knowlton M D Co Auburn Ball Bearing Div
5140-01-222-2038 INTERCHANGEABLE
Tool Box,portable
5120-01-423-00721664-1 INTERCHANGEABLE
Mandrel,fastener Installation to
Howmet Global Fastening Systems Inc Div Rosan Products
6515-01-584-282194100F INTERCHANGEABLE
Support,arch
Der-Tex Corporation Dba Frelonic
Cross-Reference Index
Part NumberManufacturer
16641 PRIMARY Flowserve Inc (USA)
Related Parts
5940-00-057-7415INTERCHANGEABLE
TERMINAL,FEEDTHRU
011-2025-00-0-479
3110-00-225-2987INTERCHANGEABLE
BEARING,BALL,THRUST
T114RG1000
5140-01-222-2038INTERCHANGEABLE
TOOL BOX,PORTABLE
5120-01-423-0072INTERCHANGEABLE
MANDREL,FASTENER INSTALLATION TO
1664-1
6515-01-584-2821INTERCHANGEABLE
SUPPORT,ARCH
94100F

Frequently Asked Questions

What is NSN 4820-01-284-1167?

NSN 4820-01-284-1167 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 4820-01-284-1167?

NSN 4820-01-284-1167 has 1 cross-referenced part number: 16641 (Flowserve Inc).

What NSN replaces 4820-01-284-1167?

There are 5 known substitutes for 4820-01-284-1167: 5940-00-057-7415, 3110-00-225-2987, 5140-01-222-2038 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16641?

Key specifications for 16641: Material: STEEL CORROSION RESISTING; Temp Rating: 100.0 FAHRENHEIT NOMINAL DEGF; Pressure Rating: 3705.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 3 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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