PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

146-00224-1 AND 021-01001Seat,valve

Grove Valve Operations · NSN 4820-00-393-4286 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-393-4286 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-393-4286. Primary manufacturer part number: 146-00224-1 AND 021-01001.
Features
  • Seat,valve — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Grove Valve Operations
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-393-4286, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Grove Valve Operations. This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersGrove Valve Operations (CAGE 26505)
Technical Specifications
ParameterValue
NSN4820-00-393-4286
Primary Part Number146-00224-1 AND 021-01001
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGrove Valve Operations
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-647-831323450 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc Div Space & Airborne Systems
2840-00-866-147823450 INTERCHANGEABLE
Conduit,cable
Triumph Controls, Llc Dba Triumph Controls, Llc
5340-01-133-8242423450C1 INTERCHANGEABLE
Bracket
Navistar Intl Corp Truck Br Ohio Plant
5340-01-548-985223450 INTERCHANGEABLE
Spring,shut Off Val
Silver King Refrigeration Inc.
Cross-Reference Index
Part NumberManufacturer
146-00224-1 AND 021-01001 PRIMARY Grove Valve Operations (USA)
23450X021-01001 Grove Valve Operations (USA)
23450AND021-01001 Grove Valve Operations (USA)
23450 Grove Valve Operations (USA)
146-0024-1 AND 021-01001 Grove Valve Operations (USA)
Related Parts
5950-00-647-8313INTERCHANGEABLE
TRANSFORMER,POWER
23450
2840-00-866-1478INTERCHANGEABLE
CONDUIT,CABLE
23450
5340-01-133-8242INTERCHANGEABLE
BRACKET
423450C1
5340-01-548-9852INTERCHANGEABLE
SPRING,SHUT OFF VAL
23450

Frequently Asked Questions

What is NSN 4820-00-393-4286?

NSN 4820-00-393-4286 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 4820-00-393-4286?

NSN 4820-00-393-4286 has 5 cross-referenced part numbers: 146-00224-1 AND 021-01001 (Grove Valve Operations), 23450X021-01001 (Grove Valve Operations), 23450AND021-01001 (Grove Valve Operations), 23450 (Grove Valve Operations), 146-0024-1 AND 021-01001 (Grove Valve Operations).

What NSN replaces 4820-00-393-4286?

There are 4 known substitutes for 4820-00-393-4286: 5950-00-647-8313, 2840-00-866-1478, 5340-01-133-8242 and 1 more. Verify interchangeability with system specifications before substitution.

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