PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Z812Valve,check

Gardner Denver Inc. · NSN 4820-00-631-3399 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-631-3399 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-631-3399. Primary manufacturer part number: Z812.
Features
  • Valve,check — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Gardner Denver Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-00-631-3399, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Gardner Denver Inc.. This item has 2 commercial cross-references 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: Cancelled.

Catalog Facts
Item NameValve,check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersGardner Denver Inc. (CAGE 11568)
Technical Specifications
ParameterValue
NSN4820-00-631-3399
Primary Part NumberZ812
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGardner Denver Inc.
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6695-01-379-780030-025 INTERCHANGEABLE
Transducer,motional Pickup
Airmar Technology Corp Dba Airmar Technology Corp
Cross-Reference Index
Part NumberManufacturer
Z812 PRIMARY Gardner Denver Inc. (USA)
Z118 Gardner Denver Inc. (USA)
Related Parts
6695-01-379-7800INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
30-025

Frequently Asked Questions

What is NSN 4820-00-631-3399?

NSN 4820-00-631-3399 is a Valve,check, manufactured by Gardner Denver Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-631-3399?

NSN 4820-00-631-3399 has 2 cross-referenced part numbers: Z812 (Gardner Denver Inc.), Z118 (Gardner Denver Inc.).

What NSN replaces 4820-00-631-3399?

There is 1 known substitute for 4820-00-631-3399: 6695-01-379-7800. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-631-3399 still in active supply?

NSN 4820-00-631-3399 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.
PartsTable Design LLC · partstable.com