PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

145-00421Disk,valve

Grove Valve Operations · NSN 4820-00-469-0111 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-469-0111 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-469-0111. Primary manufacturer part number: 145-00421.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL
  • Seat Angle: 45.0 DEGREES NOMINAL
  • Flange Seat to Disk End Height: 0.500 INCHES NOMINAL IN
  • Tip Diameter: 0.372 INCHES NOMINAL IN
  • Under Flange Height: 2.406 INCHES NOMINAL IN
  • Style Designator: POPPET
  • Shank Diameter: 0.373 INCHES NOMINAL IN
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 4820-00-469-0111, 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 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-469-0111
Primary Part Number145-00421
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGrove Valve Operations
StatusCANCELLED
MaterialSTEEL
Seat Angle45.0 DEGREES NOMINAL
Flange Seat to Disk End Height0.500 INCHES NOMINAL IN
Tip Diameter0.372 INCHES NOMINAL IN
Under Flange Height2.406 INCHES NOMINAL IN
Style DesignatorPOPPET
Shank Diameter0.373 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-034-8669220-13 INTERCHANGEABLE
Gasket
Illinois Tool Works Inc.
5365-00-083-892322013 INTERCHANGEABLE
Spacer,sleeve
Mid-America Aerotech, Llc
3110-00-120-4463AT4046A INTERCHANGEABLE
Bearing,ball,thrust
Schatz Bearing Corporation Dba Schatz Bearing Corp
5120-00-240-889422013 INTERCHANGEABLE
Punch,aligning
Mayhew Steel Products Inc
4320-00-402-5570 INTERCHANGEABLE
Pump Subassembly,centrifugal
1650-00-730-210022013 INTERCHANGEABLE
Filter Body,fluid
Fluid Conditioning Products, Inc.
4320-00-735-743223615 INTERCHANGEABLE
Ring,lantern
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5985-00-825-318122013 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5940-00-917-172222013 INTERCHANGEABLE
Splice,conductor
Hamilton Sundstrand Corporation Dba Collins Aerospace
5940-00-983-6108 INTERCHANGEABLE
Terminal Board
Cross-Reference Index
Part NumberManufacturer
145-00421 PRIMARY Grove Valve Operations (USA)
22013 PRIMARY Grove Valve Operations (USA)
Related Parts
5330-00-034-8669INTERCHANGEABLE
GASKET
220-13
5365-00-083-8923INTERCHANGEABLE
SPACER,SLEEVE
22013
3110-00-120-4463INTERCHANGEABLE
BEARING,BALL,THRUST
AT4046A
5120-00-240-8894INTERCHANGEABLE
PUNCH,ALIGNING
22013
4320-00-402-5570INTERCHANGEABLE
PUMP SUBASSEMBLY,CENTRIFUGAL
1650-00-730-2100INTERCHANGEABLE
FILTER BODY,FLUID
22013
4320-00-735-7432INTERCHANGEABLE
RING,LANTERN
23615
5985-00-825-3181INTERCHANGEABLE
COUPLER,DIRECTIONAL
22013
5940-00-917-1722INTERCHANGEABLE
SPLICE,CONDUCTOR
22013
5940-00-983-6108INTERCHANGEABLE
TERMINAL BOARD
5935-01-498-9664INTERCHANGEABLE
ADAPTER,CONNECTOR
22013
6515-01-593-7717INTERCHANGEABLE
BONE PLATE
02.110.203

Frequently Asked Questions

What is NSN 4820-00-469-0111?

NSN 4820-00-469-0111 is a Disk,valve, manufactured by Grove Valve Operations, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-469-0111?

NSN 4820-00-469-0111 has 2 cross-referenced part numbers: 145-00421 (Grove Valve Operations), 22013 (Grove Valve Operations).

What NSN replaces 4820-00-469-0111?

There are 12 known substitutes for 4820-00-469-0111: 5330-00-034-8669, 5365-00-083-8923, 3110-00-120-4463 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 145-00421?

Key specifications for 145-00421: Material: STEEL; Seat Angle: 45.0 DEGREES NOMINAL; Flange Seat to Disk End Height: 0.500 INCHES NOMINAL IN; Tip Diameter: 0.372 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-469-0111 still in active supply?

NSN 4820-00-469-0111 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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