PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B7410.002.127Seat,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-546-4558 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-546-4558 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-546-4558. Primary manufacturer part number: B7410.002.127.
Features
  • Seat,valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
  • Material: NICKEL ALLOY SEAT
  • 5 verified cross-references
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-546-4558, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-546-4558
Primary Part NumberB7410.002.127
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
MaterialNICKEL ALLOY SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-00-490-325707410002127 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-168-5684 INTERCHANGEABLE
Seat,valve
Cross-Reference Index
Part NumberManufacturer
B7410.002.127 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
B7410.002.127CP Naval Inventory Control Point Mechanicsburg (USA)
8712 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
8712 FIND NO.4CP Naval Inventory Control Point Mechanicsburg (USA)
8712 FIND NO.4 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-00-490-3257INTERCHANGEABLE
SEAT,VALVE
07410002127
4820-01-168-5684INTERCHANGEABLE
SEAT,VALVE

Frequently Asked Questions

What is NSN 4820-01-546-4558?

NSN 4820-01-546-4558 is a Seat,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-546-4558?

NSN 4820-01-546-4558 has 5 cross-referenced part numbers: B7410.002.127 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), B7410.002.127CP (Naval Inventory Control Point Mechanicsburg), 8712 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8712 FIND NO.4CP (Naval Inventory Control Point Mechanicsburg), 8712 FIND NO.4 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-546-4558?

There are 2 known substitutes for 4820-01-546-4558: 4820-00-490-3257, 4820-01-168-5684. Verify interchangeability with system specifications before substitution.

What are the specifications of B7410.002.127?

Key specifications for B7410.002.127: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330; Material: NICKEL ALLOY SEAT; End Item Identification: 3/4 INCH ANGLE RELIEF VALVE FOR SSN23 IN. 4 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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