PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23486Seat,valve

Grove Valve Operations · NSN 4820-00-036-1260 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1260 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1260. Primary manufacturer part number: 23486.
Features
  • Seat,valve — FSC 4820
  • Body Outside Diameter: 2.188 INCHES NOMINAL IN
  • Seating Surface Shape: ANGULAR
  • Style Designator: PLAIN FLANGED
  • Material: STEEL CORROSION RESISTING OVERALL
  • Body Inside Diameter: 1.750 INCHES NOMINAL IN
  • Seat Angle in Deg: 45.000 NOMINAL
  • Flange Seat to Disk End Height: 0.438 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-036-1260, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Grove Valve Operations. Government technical data includes 9 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1260
Primary Part Number23486
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGrove Valve Operations
StatusACTIVE
Body Outside Diameter2.188 INCHES NOMINAL IN
Seating Surface ShapeANGULAR
Style DesignatorPLAIN FLANGED
MaterialSTEEL CORROSION RESISTING OVERALL
Body Inside Diameter1.750 INCHES NOMINAL IN
Seat Angle in Deg45.000 NOMINAL
Flange Seat to Disk End Height0.438 INCHES NOMINAL IN
Under Flange Height0.187 INCHES NOMINAL IN
Flange Diameter2.563 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1650-00-521-1488DS-931576 INTERCHANGEABLE
Pivot,nutating Plate
Eaton Aerospace, Llc Dba Jackson South
5950-00-648-394123486 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc Div Space & Airborne Systems
5325-01-386-901825386 INTERCHANGEABLE
Ring,retaining
Paccar Winch Div
Cross-Reference Index
Part NumberManufacturer
23486 PRIMARY Grove Valve Operations (USA)
Related Parts
1650-00-521-1488INTERCHANGEABLE
PIVOT,NUTATING PLATE
DS-931576
5950-00-648-3941INTERCHANGEABLE
TRANSFORMER,POWER
23486
5325-01-386-9018INTERCHANGEABLE
RING,RETAINING
25386

Frequently Asked Questions

What is NSN 4820-00-036-1260?

NSN 4820-00-036-1260 is a Seat,valve, manufactured by Grove Valve Operations, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-1260?

NSN 4820-00-036-1260 has 1 cross-referenced part number: 23486 (Grove Valve Operations).

What NSN replaces 4820-00-036-1260?

There are 3 known substitutes for 4820-00-036-1260: 1650-00-521-1488, 5950-00-648-3941, 5325-01-386-9018. Verify interchangeability with system specifications before substitution.

What are the specifications of 23486?

Key specifications for 23486: Body Outside Diameter: 2.188 INCHES NOMINAL IN; Seating Surface Shape: ANGULAR; Style Designator: PLAIN FLANGED; Material: STEEL CORROSION RESISTING OVERALL. 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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