PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7409SCock,drain

Aerocontrolex Group, Inc. Dba Aero Fluid Products · NSN 4820-00-876-3656 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-876-3656 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-876-3656. Primary manufacturer part number: 7409S.
Features
  • Cock,drain — FSC 4820
  • Flow Control Device: NEEDLE
  • Thread Class: 2A FIRST END A
  • Nominal Thread Size: 0.312 INCHES FIRST END IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Connection Type: THREADED EXTERNAL BOSS FIRST END
  • Style Designator: ANGLE
  • Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Cock,drain, cataloged under National Stock Number 4820-00-876-3656, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aerocontrolex Group, Inc. Dba Aero Fluid Products. Government technical data includes 10 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-876-3656
Primary Part Number7409S
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAerocontrolex Group, Inc. Dba Aero Fluid Products
StatusACTIVE
Flow Control DeviceNEEDLE
Thread Class2A FIRST END A
Nominal Thread Size0.312 INCHES FIRST END IN
MaterialSTEEL CORROSION RESISTING OVERALL
Connection TypeTHREADED EXTERNAL BOSS FIRST END
Style DesignatorANGLE
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
Thread DirectionRIGHT-HAND FIRST END
Thread Series DesignatorUNF FIRST END
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-174-65947409S INTERCHANGEABLE
Cock,drain
Aerocontrolex Group, Inc. Dba Aero Fluid Products
Cross-Reference Index
Part NumberManufacturer
7409S PRIMARY Aerocontrolex Group, Inc. Dba Aero Fluid Products (USA)
Related Parts
4820-01-174-6594INTERCHANGEABLE
COCK,DRAIN
7409S

Frequently Asked Questions

What is NSN 4820-00-876-3656?

NSN 4820-00-876-3656 is a Cock,drain, manufactured by Aerocontrolex Group, Inc. Dba Aero Fluid Products, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-876-3656?

NSN 4820-00-876-3656 has 1 cross-referenced part number: 7409S (Aerocontrolex Group, Inc. Dba Aero Fluid Products).

What NSN replaces 4820-00-876-3656?

There is 1 known substitute for 4820-00-876-3656: 4820-01-174-6594. Verify interchangeability with system specifications before substitution.

What are the specifications of 7409S?

Key specifications for 7409S: Flow Control Device: NEEDLE; Thread Class: 2A FIRST END A; Nominal Thread Size: 0.312 INCHES FIRST END IN; Material: STEEL CORROSION RESISTING OVERALL. 10 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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