PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M3747-2551Valve,flow Control

Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc · NSN 4820-01-505-8009 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-505-8009 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-505-8009. Primary manufacturer part number: M3747-2551.
Features
  • Valve,flow Control — FSC 4820
  • 2 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 Valve,flow Control, cataloged under National Stock Number 4820-01-505-8009, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,flow Control
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersDerbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (CAGE 0ASY6); Derbyshire Machine & Tool Co (CAGE 71905)
Technical Specifications
ParameterValue
NSN4820-01-505-8009
Primary Part NumberM3747-2551
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDerbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-505-8000 INTERCHANGEABLE
Cartridge,shut-Off Valve
Cross-Reference Index
Part NumberManufacturer
M3747-2551 PRIMARY Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA)
M3747-2551 Derbyshire Machine & Tool Co (USA)
Related Parts
4820-01-505-8000INTERCHANGEABLE
CARTRIDGE,SHUT-OFF VALVE

Frequently Asked Questions

What is NSN 4820-01-505-8009?

NSN 4820-01-505-8009 is a Valve,flow Control, 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 4820-01-505-8009?

NSN 4820-01-505-8009 has 2 cross-referenced part numbers: M3747-2551 (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc), M3747-2551 (Derbyshire Machine & Tool Co).

What NSN replaces 4820-01-505-8009?

There is 1 known substitute for 4820-01-505-8009: 4820-01-505-8000. Verify interchangeability with system specifications before substitution.

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