PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K1208-4-20Valve,check

Essex Industries, Inc. Dba Essex Industries · NSN 4820-00-905-1477 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-905-1477 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-905-1477. Primary manufacturer part number: K1208-4-20.
Features
  • Valve,check — FSC 4820
  • Valve Operation Method: AUTOMATIC
  • Mounting Position: HORIZONTAL OR VERTICAL
  • Operating Pressure: 85.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: ALUMINUM ALLOY BODY
  • 2 verified cross-references
  • Primary manufacturer: Essex Industries, Inc. Dba Essex Industries
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-905-1477, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Essex Industries, Inc. Dba Essex Industries. Government technical data includes 4 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-905-1477
Primary Part NumberK1208-4-20
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEssex Industries, Inc. Dba Essex Industries
StatusACTIVE
Valve Operation MethodAUTOMATIC
Mounting PositionHORIZONTAL OR VERTICAL
Operating Pressure85.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialALUMINUM ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-00-678-0108CV-168 INTERCHANGEABLE
Valve,check
Codecal Inc
Cross-Reference Index
Part NumberManufacturer
C5-59-387 Edgewood Chemical Biological Center Ecbc (USA)
K1208-4-20 PRIMARY Essex Industries, Inc. Dba Essex Industries (USA)
Related Parts
4820-00-678-0108INTERCHANGEABLE
VALVE,CHECK
CV-168

Frequently Asked Questions

What is NSN 4820-00-905-1477?

NSN 4820-00-905-1477 is a Valve,check, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-905-1477?

NSN 4820-00-905-1477 has 2 cross-referenced part numbers: C5-59-387 (Edgewood Chemical Biological Center Ecbc), K1208-4-20 (Essex Industries, Inc. Dba Essex Industries).

What NSN replaces 4820-00-905-1477?

There is 1 known substitute for 4820-00-905-1477: 4820-00-678-0108. Verify interchangeability with system specifications before substitution.

What are the specifications of K1208-4-20?

Key specifications for K1208-4-20: Valve Operation Method: AUTOMATIC; Mounting Position: HORIZONTAL OR VERTICAL; Operating Pressure: 85.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: ALUMINUM ALLOY BODY. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com