PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1584Cock,poppet Drain

Aqua Environment Co, Inc · NSN 4820-01-720-6648 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-720-6648 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-720-6648. Primary manufacturer part number: 1584.
Features
  • Cock,poppet Drain — FSC 4820
  • Nominal Outside Diameter: 0.875 INCHES SECOND END IN
  • Operating Pressure: 7000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Thread Series Designator: NPT FIRST END
  • Material: ALUMINUM BODY
  • Style Designator: STRAIGHT THRU
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
Applications
  • Applications requiring Aluminum Body construction
General Description

The Cock,poppet Drain, cataloged under National Stock Number 4820-01-720-6648, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aqua Environment Co, Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-720-6648
Primary Part Number1584
Item NameCock,poppet Drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAqua Environment Co, Inc
StatusACTIVE
Nominal Outside Diameter0.875 INCHES SECOND END IN
Operating Pressure7000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Thread Series DesignatorNPT FIRST END
MaterialALUMINUM BODY
Style DesignatorSTRAIGHT THRU
Nominal Thread Size0.250 INCHES FIRST END IN
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6240-00-072-9966F72T12CWVH0 INTERCHANGEABLE
Lamp,fluorescent
General Dynamics Mission Systems, Inc.
6510-00-105-58061584 INTERCHANGEABLE
Bandage,elastic
3m Company Div Health Care Business
5330-00-496-006675G13517-100 INTERCHANGEABLE
Gasket
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-501-62631584 INTERCHANGEABLE
Connector,plug,electrical
Cole Hersee Company
5950-00-645-598524850 INTERCHANGEABLE
Reactor
Freed Transformer Co
5950-00-652-19968180594-502 INTERCHANGEABLE
Transformer,radio Frequency
Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories
6240-00-865-6739 INTERCHANGEABLE
Lamp,incandescent
6685-01-020-117542838 INTERCHANGEABLE
Holder Assembly
Meggitt (new Hampshire), Inc
4820-01-056-9540R374 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Arrow Pneumatics Inc
6510-01-367-5531 INTERCHANGEABLE
Bandage,elastic
Cross-Reference Index
Part NumberManufacturer
1584 PRIMARY Aqua Environment Co, Inc (USA)
Related Parts
6240-00-072-9966INTERCHANGEABLE
LAMP,FLUORESCENT
F72T12CWVH0
6510-00-105-5806INTERCHANGEABLE
BANDAGE,ELASTIC
1584
5330-00-496-0066INTERCHANGEABLE
GASKET
75G13517-100
5935-00-501-6263INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1584
5950-00-645-5985INTERCHANGEABLE
REACTOR
24850
5950-00-652-1996INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
8180594-502
6240-00-865-6739INTERCHANGEABLE
LAMP,INCANDESCENT
6685-01-020-1175INTERCHANGEABLE
HOLDER ASSEMBLY
42838
4820-01-056-9540INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
R374
6510-01-367-5531INTERCHANGEABLE
BANDAGE,ELASTIC
6850-01-390-9664INTERCHANGEABLE
SKIN PROTECTIVE COMPOUND,CHEMICA

Frequently Asked Questions

What is NSN 4820-01-720-6648?

NSN 4820-01-720-6648 is a Cock,poppet Drain, manufactured by Aqua Environment Co, Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-720-6648?

NSN 4820-01-720-6648 has 1 cross-referenced part number: 1584 (Aqua Environment Co, Inc).

What NSN replaces 4820-01-720-6648?

There are 11 known substitutes for 4820-01-720-6648: 6240-00-072-9966, 6510-00-105-5806, 5330-00-496-0066 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1584?

Key specifications for 1584: Nominal Outside Diameter: 0.875 INCHES SECOND END IN; Operating Pressure: 7000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Connection Type: THREADED EXTERNAL PIPE FIRST END; Thread Series Designator: NPT FIRST END. 8 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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