PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23123Disk,valve

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 4820-01-188-3245 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-188-3245 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-188-3245. Primary manufacturer part number: 23123.
Features
  • Disk,valve — FSC 4820
  • Flange Seat to Disk End Height: 0.640 INCHES NOMINAL IN
  • Seat Angle: 45.0 DEGREES NOMINAL
  • Outside Diameter: 0.225 INCHES NOMINAL IN
  • Shank Diameter: 0.225 INCHES NOMINAL IN
  • Style Designator: POPPET
  • Material: STEEL
  • Media for Which Designed: GASOLINE
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 4820-01-188-3245, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-188-3245
Primary Part Number23123
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
Flange Seat to Disk End Height0.640 INCHES NOMINAL IN
Seat Angle45.0 DEGREES NOMINAL
Outside Diameter0.225 INCHES NOMINAL IN
Shank Diameter0.225 INCHES NOMINAL IN
Style DesignatorPOPPET
MaterialSTEEL
Media for Which DesignedGASOLINE
Under Flange Height0.100 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5961-00-252-2612 INTERCHANGEABLE
Transistor
5305-00-637-975723123 INTERCHANGEABLE
Screw,shoulder
Briggs and Stratton Corp
5905-01-037-6442 INTERCHANGEABLE
Resistor,voltage Sensitive
3455-01-044-7951716-030119 INTERCHANGEABLE
Cutter,milling,end
Doall Baltimore Company
6695-01-299-4710 INTERCHANGEABLE
Display Board Assem
5962-01-444-761323123 INTERCHANGEABLE
Microcircuit,digital-Linear
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4730-01-517-0505 INTERCHANGEABLE
Ferrule,compression,tube Fitting
6632-01-524-271823123 INTERCHANGEABLE
Filling Solution,electrode
Nova Biomedical Corp
6515-01-593-4817G90-214-8 INTERCHANGEABLE
Crutch
Medline Industries Inc
Cross-Reference Index
Part NumberManufacturer
23123 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
4820011883245 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
5740596 Am General Llc (USA)
Related Parts
5961-00-252-2612INTERCHANGEABLE
TRANSISTOR
5305-00-637-9757INTERCHANGEABLE
SCREW,SHOULDER
23123
5905-01-037-6442INTERCHANGEABLE
RESISTOR,VOLTAGE SENSITIVE
3455-01-044-7951INTERCHANGEABLE
CUTTER,MILLING,END
716-030119
6695-01-299-4710INTERCHANGEABLE
DISPLAY BOARD ASSEM
5962-01-444-7613INTERCHANGEABLE
MICROCIRCUIT,DIGITAL-LINEAR
23123
4730-01-517-0505INTERCHANGEABLE
FERRULE,COMPRESSION,TUBE FITTING
6632-01-524-2718INTERCHANGEABLE
FILLING SOLUTION,ELECTRODE
23123
6515-01-593-4817INTERCHANGEABLE
CRUTCH
G90-214-8

Frequently Asked Questions

What is NSN 4820-01-188-3245?

NSN 4820-01-188-3245 is a Disk,valve, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-188-3245?

NSN 4820-01-188-3245 has 3 cross-referenced part numbers: 23123 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 4820011883245 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 5740596 (Am General Llc).

What NSN replaces 4820-01-188-3245?

There are 9 known substitutes for 4820-01-188-3245: 5961-00-252-2612, 5305-00-637-9757, 5905-01-037-6442 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23123?

Key specifications for 23123: Flange Seat to Disk End Height: 0.640 INCHES NOMINAL IN; Seat Angle: 45.0 DEGREES NOMINAL; Outside Diameter: 0.225 INCHES NOMINAL IN; Overall Height: 0.740 INCHES NOMINAL IN. 9 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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