PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M3747-2561Cartridge,shut-Off Valve

Derbyshire Machine & Tool Co · NSN 4820-01-506-6636 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-506-6636 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-506-6636. Primary manufacturer part number: M3747-2561.
Features
  • Cartridge,shut-Off Valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Derbyshire Machine & Tool Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cartridge,shut-Off Valve, cataloged under National Stock Number 4820-01-506-6636, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Derbyshire Machine & Tool Co. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCartridge,shut-Off Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersDerbyshire Machine & Tool Co (CAGE 71905); Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (CAGE 0ASY6)
Technical Specifications
ParameterValue
NSN4820-01-506-6636
Primary Part NumberM3747-2561
Item NameCartridge,shut-Off Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDerbyshire Machine & Tool Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-01-092-8891516759-2 INTERCHANGEABLE
Valve,angle
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
4820-01-506-6632 INTERCHANGEABLE
Valve,globe
4820-01-544-8075 INTERCHANGEABLE
Cartridge,shut-Off Valve
Cross-Reference Index
Part NumberManufacturer
M3747-2561 Derbyshire Machine & Tool Co (USA)
M236-2 Derbyshire Machine & Tool Co (USA)
M236-MPL2561CTG Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc (USA)
M236-MPL2561CTG Derbyshire Machine & Tool Co (USA)
Related Parts
4820-01-092-8891INTERCHANGEABLE
VALVE,ANGLE
516759-2
4820-01-506-6632INTERCHANGEABLE
VALVE,GLOBE
4820-01-544-8075INTERCHANGEABLE
CARTRIDGE,SHUT-OFF VALVE

Frequently Asked Questions

What is NSN 4820-01-506-6636?

NSN 4820-01-506-6636 is a Cartridge,shut-Off Valve, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-506-6636?

NSN 4820-01-506-6636 has 4 cross-referenced part numbers: M3747-2561 (Derbyshire Machine & Tool Co), M236-2 (Derbyshire Machine & Tool Co), M236-MPL2561CTG (Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc), M236-MPL2561CTG (Derbyshire Machine & Tool Co).

What NSN replaces 4820-01-506-6636?

There are 3 known substitutes for 4820-01-506-6636: 4820-01-092-8891, 4820-01-506-6632, 4820-01-544-8075. Verify interchangeability with system specifications before substitution.

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