PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A7810Cock,poppet Drain

Eaton Aerospace Llc Div Fluid and Electrical Distribution Division · NSN 4820-00-877-6802 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-877-6802 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-877-6802. Primary manufacturer part number: A7810.
Features
  • Cock,poppet Drain — FSC 4820
  • Material: PLASTIC FLOW CONTROL DEVICE
  • Style Designator: STRAIGHT THRU
  • Thread Direction: RIGHT-HAND FIRST END
  • Valve Operation Method: MANUAL
  • Thread Class: 3A FIRST END A
  • Material: ALUMINUM ALLOY BODY
  • Thread Series Designator: UNF FIRST END
Applications
  • Applications requiring Plastic Flow Control Device construction
General Description

The Cock,poppet Drain, cataloged under National Stock Number 4820-00-877-6802, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Div Fluid and Electrical Distribution Division. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-877-6802
Primary Part NumberA7810
Item NameCock,poppet Drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Div Fluid and Electrical Distribution Division
StatusACTIVE
MaterialPLASTIC FLOW CONTROL DEVICE
Style DesignatorSTRAIGHT THRU
Thread DirectionRIGHT-HAND FIRST END
Valve Operation MethodMANUAL
Thread Class3A FIRST END A
MaterialALUMINUM ALLOY BODY
Thread Series DesignatorUNF FIRST END
Nominal Thread Size0.500 INCHES FIRST END IN
Flow Control DeviceDISK
MaterialALUMINUM ALLOY SEAT
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
Connection TypeTHREADED EXTERNAL BOSS FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-089-1223 INTERCHANGEABLE
Reactor
5120-00-132-13084071-5 INTERCHANGEABLE
Contact Positioner,terminal Crim
Astro Tool Corp.
4730-00-231-343757FT 1-1/2 INTERCHANGEABLE
Trap,steam
Itt Fluid Technology Corp Itt Mcdonnell and Miller
5340-00-291-050240715 INTERCHANGEABLE
Plug,protective,dust and Moistur
L3harris Technologies, Inc Div Space & Airborne Systems
2920-00-732-45485Y7242 INTERCHANGEABLE
Parts Kit,regulator
Napco International Llc Dba Napco International Inc
6210-01-012-60894071-5 INTERCHANGEABLE
Filter,marker Light,airport Appr
Connecticut Valley Industries, Llc Dba Connecticut Valley Industries
5950-01-239-4456315-18612-02 INTERCHANGEABLE
Reactor
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5998-01-420-381740715 INTERCHANGEABLE
Circuit Card Assembly
Antenna Research Associates, Incorporated
5306-01-556-490112759-00490 INTERCHANGEABLE
Bolt,machine
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
A7810 PRIMARY Eaton Aerospace Llc Div Fluid and Electrical Distribution Division (USA)
40715 Hamilton Sundstrand Corporation (USA)
Related Parts
5950-00-089-1223INTERCHANGEABLE
REACTOR
5120-00-132-1308INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
4071-5
4730-00-231-3437INTERCHANGEABLE
TRAP,STEAM
57FT 1-1/2
5340-00-291-0502INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
40715
2920-00-732-4548INTERCHANGEABLE
PARTS KIT,REGULATOR
5Y7242
6210-01-012-6089INTERCHANGEABLE
FILTER,MARKER LIGHT,AIRPORT APPR
4071-5
5950-01-239-4456INTERCHANGEABLE
REACTOR
315-18612-02
5998-01-420-3817INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
40715
5306-01-556-4901INTERCHANGEABLE
BOLT,MACHINE
12759-00490

Frequently Asked Questions

What is NSN 4820-00-877-6802?

NSN 4820-00-877-6802 is a Cock,poppet Drain, manufactured by Eaton Aerospace Llc Div Fluid and Electrical Distribution Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-877-6802?

NSN 4820-00-877-6802 has 2 cross-referenced part numbers: A7810 (Eaton Aerospace Llc Div Fluid and Electrical Distribution Division), 40715 (Hamilton Sundstrand Corporation).

What NSN replaces 4820-00-877-6802?

There are 9 known substitutes for 4820-00-877-6802: 5950-00-089-1223, 5120-00-132-1308, 4730-00-231-3437 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A7810?

Key specifications for A7810: Material: PLASTIC FLOW CONTROL DEVICE; Style Designator: STRAIGHT THRU; Thread Direction: RIGHT-HAND FIRST END; Valve Operation Method: MANUAL. 12 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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