PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39012Valve,vent

Oatey Co · NSN 4820-01-601-4126 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-601-4126 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-601-4126. Primary manufacturer part number: 39012.
Features
  • Valve,vent — FSC 4820
  • Material: PLASTIC OVERALL
  • Material Document and Classification: ABS MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Oatey Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Overall construction
General Description

The Valve,vent, cataloged under National Stock Number 4820-01-601-4126, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Oatey Co. Government technical data includes 2 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-601-4126
Primary Part Number39012
Item NameValve,vent
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerOatey Co
StatusACTIVE
MaterialPLASTIC OVERALL
Material Document and ClassificationABS MFR REF SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6240-00-105-6341 INTERCHANGEABLE
Lamp,cartridge
5310-00-343-2726 INTERCHANGEABLE
Nut,plain,clinch
2825-00-389-846239012 INTERCHANGEABLE
Retainer,spring
Northrop Grumman Systems Corporation Div Marine Systems
4730-01-074-034324332-42 INTERCHANGEABLE
Strainer Element,sediment
Leslie Controls, Inc. Dba Leslie Controls Inc
5999-01-334-751285077-01 INTERCHANGEABLE
Clip,electrical
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5120-01-579-0993 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
39012 PRIMARY Oatey Co (USA)
Related Parts
6240-00-105-6341INTERCHANGEABLE
LAMP,CARTRIDGE
5310-00-343-2726INTERCHANGEABLE
NUT,PLAIN,CLINCH
2825-00-389-8462INTERCHANGEABLE
RETAINER,SPRING
39012
4730-01-074-0343INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
24332-42
5999-01-334-7512INTERCHANGEABLE
CLIP,ELECTRICAL
85077-01
5120-01-579-0993INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 4820-01-601-4126?

NSN 4820-01-601-4126 is a Valve,vent, manufactured by Oatey Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-601-4126?

NSN 4820-01-601-4126 has 1 cross-referenced part number: 39012 (Oatey Co).

What NSN replaces 4820-01-601-4126?

There are 6 known substitutes for 4820-01-601-4126: 6240-00-105-6341, 5310-00-343-2726, 2825-00-389-8462 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 39012?

Key specifications for 39012: Special Features: MECHANICAL VENT VALVE FOR INSTALLATION IN DRAIN LINE; Part Name Assigned by Controlling Agency: IN LINE VENT; Material: PLASTIC OVERALL; Material Document and Classification: ABS MFR REF SINGLE MATERIAL RESPONSE OVERALL. 4 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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