PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M1415-4-DCSeat,valve

Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc · NSN 4820-01-506-7330 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-506-7330 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-506-7330. Primary manufacturer part number: M1415-4-DC.
Features
  • Seat,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-506-7330, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 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)
ManufacturersDerbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (CAGE 0ASY6)
Technical Specifications
ParameterValue
NSN4820-01-506-7330
Primary Part NumberM1415-4-DC
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDerbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-506-7327M3839-2571 INTERCHANGEABLE
Valve,globe
Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc
4820-01-711-2064M3817-4-AOEH INTERCHANGEABLE
Guide,valve Stem
Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc
Cross-Reference Index
Part NumberManufacturer
M3839-2571 PC NO.7 Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA)
M1415-4-DC PRIMARY Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA)
M3839-2571 Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA)
Related Parts
4820-01-506-7327INTERCHANGEABLE
VALVE,GLOBE
M3839-2571
4820-01-711-2064INTERCHANGEABLE
GUIDE,VALVE STEM
M3817-4-AOEH

Frequently Asked Questions

What is NSN 4820-01-506-7330?

NSN 4820-01-506-7330 is a Seat,valve, manufactured by Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-506-7330?

NSN 4820-01-506-7330 has 3 cross-referenced part numbers: M3839-2571 PC NO.7 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc), M1415-4-DC (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc), M3839-2571 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc).

What NSN replaces 4820-01-506-7330?

There are 2 known substitutes for 4820-01-506-7330: 4820-01-506-7327, 4820-01-711-2064. Verify interchangeability with system specifications before substitution.

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