PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A7420-002-127CPSeat,valve

Naval Inventory Control Point Mechanicsburg · NSN 4820-00-570-0032 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-570-0032 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-570-0032. Primary manufacturer part number: A7420-002-127CP.
Features
  • Seat,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-570-0032, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. This item has 3 commercial cross-references from 3 manufacturers, 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)
ManufacturersNaval Inventory Control Point Mechanicsburg (CAGE 03950); Anderson Greenwood Lp Dba Anderson Greenwood Crosby (CAGE 01343); Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (CAGE 15187)
Technical Specifications
ParameterValue
NSN4820-00-570-0032
Primary Part NumberA7420-002-127CP
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-00-008-5087 INTERCHANGEABLE
Seat,valve
4820-00-491-9908 INTERCHANGEABLE
Seat,valve
4820-01-145-944707420002127 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-435-3196 INTERCHANGEABLE
Seat,valve
Cross-Reference Index
Part NumberManufacturer
A7420-002-127CP Naval Inventory Control Point Mechanicsburg (USA)
A7420-002-127 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A7420-002-127 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-00-008-5087INTERCHANGEABLE
SEAT,VALVE
4820-00-491-9908INTERCHANGEABLE
SEAT,VALVE
4820-01-145-9447INTERCHANGEABLE
SEAT,VALVE
07420002127
4820-01-435-3196INTERCHANGEABLE
SEAT,VALVE

Frequently Asked Questions

What is NSN 4820-00-570-0032?

NSN 4820-00-570-0032 is a Seat,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-570-0032?

NSN 4820-00-570-0032 has 3 cross-referenced part numbers: A7420-002-127CP (Naval Inventory Control Point Mechanicsburg), A7420-002-127 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A7420-002-127 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-00-570-0032?

There are 4 known substitutes for 4820-00-570-0032: 4820-00-008-5087, 4820-00-491-9908, 4820-01-145-9447 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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