PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

810-025Valve,purge

American Diving Supply Llc · NSN 4820-01-685-5531 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-685-5531 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-685-5531. Primary manufacturer part number: 810-025.
Features
  • Valve,purge — FSC 4820
  • Criticality Code Justification: FEAT
  • 5 verified cross-references
  • Primary manufacturer: American Diving Supply Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,purge, cataloged under National Stock Number 4820-01-685-5531, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is American Diving Supply Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-685-5531
Primary Part Number810-025
Item NameValve,purge
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAmerican Diving Supply Llc
StatusACTIVE
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4320-01-435-4675810025 INTERCHANGEABLE
Pump,axial Pistons
Eaton Aerospace, Llc Dba Jackson South
4820-01-584-6158810-025 INTERCHANGEABLE
Valve,flow Control
Kirby Morgan Dive Systems Inc
4710-01-664-0969810025-301 INTERCHANGEABLE
Tube Assembly,metal
Drs Sustainment Systems Inc
Cross-Reference Index
Part NumberManufacturer
810-025 PRIMARY American Diving Supply Llc (USA)
810-025 Kirby Morgan Dive Systems Inc (USA)
810-025ED Naval Inventory Control Point Mechanicsburg (USA)
810-025/ 8324510 PRIMARY Mission Systems Davenport Inc. (USA)
810-025 Dive Lab, Inc. Dba Dive Lab Inc (USA)
Related Parts
4320-01-435-4675INTERCHANGEABLE
PUMP,AXIAL PISTONS
810025
4820-01-584-6158INTERCHANGEABLE
VALVE,FLOW CONTROL
810-025
4710-01-664-0969INTERCHANGEABLE
TUBE ASSEMBLY,METAL
810025-301

Frequently Asked Questions

What is NSN 4820-01-685-5531?

NSN 4820-01-685-5531 is a Valve,purge, manufactured by American Diving Supply Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-685-5531?

NSN 4820-01-685-5531 has 5 cross-referenced part numbers: 810-025 (American Diving Supply Llc), 810-025 (Kirby Morgan Dive Systems Inc), 810-025ED (Naval Inventory Control Point Mechanicsburg), 810-025/ 8324510 (Mission Systems Davenport Inc.), 810-025 (Dive Lab, Inc. Dba Dive Lab Inc).

What NSN replaces 4820-01-685-5531?

There are 3 known substitutes for 4820-01-685-5531: 4320-01-435-4675, 4820-01-584-6158, 4710-01-664-0969. Verify interchangeability with system specifications before substitution.

What are the specifications of 810-025?

Key specifications for 810-025: Criticality Code Justification: FEAT; Special Features: EXPLOSIVE ORDNANCE DISPOSAL (EOD) TOOLS/EQUIPMENT. 2 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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