PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11559Disk,valve

Flowserve Inc · NSN 4820-01-114-2317 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-114-2317 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-114-2317. Primary manufacturer part number: 11559.
Features
  • Disk,valve — FSC 4820
  • Taper Minor Diameter: 0.562 INCHES NOMINAL IN
  • Taper Major Diameter: 0.727 INCHES NOMINAL IN
  • Material: STEEL
  • Style Designator: SOLID WEDGE
  • Taper Length: 0.938 INCHES NOMINAL IN
  • Pressure Rating: 2000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Temp Rating: 100.0 FAHRENHEIT NOMINAL DEGF
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 4820-01-114-2317, 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 7 verified specifications, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-114-2317
Primary Part Number11559
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
Taper Minor Diameter0.562 INCHES NOMINAL IN
Taper Major Diameter0.727 INCHES NOMINAL IN
MaterialSTEEL
Style DesignatorSOLID WEDGE
Taper Length0.938 INCHES NOMINAL IN
Pressure Rating2000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Temp Rating100.0 FAHRENHEIT NOMINAL DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4730-00-254-6443 INTERCHANGEABLE
Elbow,tube
5133-00-266-9476 INTERCHANGEABLE
Drill,twist
5815-00-547-7882SM-C-186901GP8 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2940-00-752-909317261A INTERCHANGEABLE
Filter Body,fluid
Brinkley Technology Group Llc Dba Hercules Manufacturing
4820-00-776-8151HG273D INTERCHANGEABLE
Seat,valve
Wisconsin Motors, Llc
5110-00-806-1000 INTERCHANGEABLE
File,hand
5305-00-978-9772 INTERCHANGEABLE
Setscrew
Cross-Reference Index
Part NumberManufacturer
B-45527 PART 11559 Flowserve Inc (USA)
11559 PRIMARY Flowserve Inc (USA)
Related Parts
4730-00-254-6443INTERCHANGEABLE
ELBOW,TUBE
5133-00-266-9476INTERCHANGEABLE
DRILL,TWIST
5815-00-547-7882INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-C-186901GP8
2940-00-752-9093INTERCHANGEABLE
FILTER BODY,FLUID
17261A
4820-00-776-8151INTERCHANGEABLE
SEAT,VALVE
HG273D
5110-00-806-1000INTERCHANGEABLE
FILE,HAND
5305-00-978-9772INTERCHANGEABLE
SETSCREW

Frequently Asked Questions

What is NSN 4820-01-114-2317?

NSN 4820-01-114-2317 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 4820-01-114-2317?

NSN 4820-01-114-2317 has 2 cross-referenced part numbers: B-45527 PART 11559 (Flowserve Inc), 11559 (Flowserve Inc).

What NSN replaces 4820-01-114-2317?

There are 7 known substitutes for 4820-01-114-2317: 4730-00-254-6443, 5133-00-266-9476, 5815-00-547-7882 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11559?

Key specifications for 11559: Taper Minor Diameter: 0.562 INCHES NOMINAL IN; Taper Major Diameter: 0.727 INCHES NOMINAL IN; Material: STEEL; Style Designator: SOLID WEDGE. 7 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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