PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72478Cock,poppet Drain

Parker Hannifin Corp Dba Pneutronics · NSN 4820-00-783-6477 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-783-6477 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-783-6477. Primary manufacturer part number: 72478.
Features
  • Cock,poppet Drain — FSC 4820
  • 10 verified cross-references
  • Primary manufacturer: Parker Hannifin Corp Dba Pneutronics
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Cock,poppet Drain, cataloged under National Stock Number 4820-00-783-6477, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker Hannifin Corp Dba Pneutronics. This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameCock,poppet Drain
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersParker Hannifin Corp Dba Pneutronics (CAGE 99321); Curtis Dyna-Fog, Ltd. (CAGE 82254); Mission Systems Davenport Inc. (CAGE 72429); Parker Hannifin Corporation Div Aerospace Group Headquarters (CAGE 92003); Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co (CAGE 47038)
Technical Specifications
ParameterValue
NSN4820-00-783-6477
Primary Part Number72478
Item NameCock,poppet Drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker Hannifin Corp Dba Pneutronics
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-027-63592210214 INTERCHANGEABLE
Transformer,pulse
L3harris Technologies, Inc.
5310-00-045-883950FA540 INTERCHANGEABLE
Nut,self-Locking,hexagon
Sps Technologies, Llc Dba PB Fasteners
4820-00-135-477572-478 INTERCHANGEABLE
Cock,drain
Parker Hannifin Corp Dba Pneutronics
5330-00-152-540650163 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
5985-00-168-9455SMA571664-1 INTERCHANGEABLE
Coupler,directional
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5331-00-903-395472478 INTERCHANGEABLE
O-Ring
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
6635-00-909-9155A1730 INTERCHANGEABLE
Balance Machine,flowmeter
Ametek Inc Div Aerospace and Defense
4820-01-073-1802CCB-36450-5 INTERCHANGEABLE
Valve Assy,drain
Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co
5950-01-089-03915051-485 INTERCHANGEABLE
Transformer,power
Raytheon Company Div Rmd Strategic
8455-01-267-9647 INTERCHANGEABLE
Tab,shoulder Sleeve Insignia
Cross-Reference Index
Part NumberManufacturer
72478 PRIMARY Parker Hannifin Corp Dba Pneutronics (USA)
CCB-36450 Curtis Dyna-Fog, Ltd. (USA)
50163 Mission Systems Davenport Inc. (USA)
3-116704-1 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
CCB-36450 PRIMARY Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co (USA)
3-116704 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
50163 The Boeing Company Div Defense (USA)
CCB-36450 D C Medical/dental Specialties (USA)
5712-38G Parker Hannifin Corporation Dba Quick Coupling Div Div Quick Coupling Division Bruning Operation (USA)
A1730 Parker Hannifin Corp Dba Pneutronics (USA)
Related Parts
5950-00-027-6359INTERCHANGEABLE
TRANSFORMER,PULSE
2210214
5310-00-045-8839INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
50FA540
4820-00-135-4775INTERCHANGEABLE
COCK,DRAIN
72-478
5330-00-152-5406INTERCHANGEABLE
SEAL,PLAIN ENCASED
50163
5985-00-168-9455INTERCHANGEABLE
COUPLER,DIRECTIONAL
SMA571664-1
5331-00-903-3954INTERCHANGEABLE
O-RING
72478
6635-00-909-9155INTERCHANGEABLE
BALANCE MACHINE,FLOWMETER
A1730
4820-01-073-1802INTERCHANGEABLE
VALVE ASSY,DRAIN
CCB-36450-5
5950-01-089-0391INTERCHANGEABLE
TRANSFORMER,POWER
5051-485
8455-01-267-9647INTERCHANGEABLE
TAB,SHOULDER SLEEVE INSIGNIA
3040-01-292-2510INTERCHANGEABLE
SHAFT,SHOULDERED
A1730-2
4520-01-328-5729INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM

Frequently Asked Questions

What is NSN 4820-00-783-6477?

NSN 4820-00-783-6477 is a Cock,poppet Drain, manufactured by Parker Hannifin Corp Dba Pneutronics, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-783-6477?

NSN 4820-00-783-6477 has 10 cross-referenced part numbers: 72478 (Parker Hannifin Corp Dba Pneutronics), CCB-36450 (Curtis Dyna-Fog, Ltd.), 50163 (Mission Systems Davenport Inc.), 3-116704-1 (Parker Hannifin Corporation Div Aerospace Group Headquarters), CCB-36450 (Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co) and 5 more.

What NSN replaces 4820-00-783-6477?

There are 12 known substitutes for 4820-00-783-6477: 5950-00-027-6359, 5310-00-045-8839, 4820-00-135-4775 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-783-6477 still in active supply?

NSN 4820-00-783-6477 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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