PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0N199302Valve,vent

Greenfield Manufacturing Co., Inc. · NSN 4820-01-323-8111 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-323-8111 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-323-8111. Primary manufacturer part number: 0N199302.
Features
  • Valve,vent — FSC 4820
  • Specification/standard Data: 98320-0N199302 MANUFACTURERS STANDARD
  • 1 verified cross-reference
  • Primary manufacturer: Greenfield Manufacturing Co., Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,vent, cataloged under National Stock Number 4820-01-323-8111, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Greenfield Manufacturing Co., Inc.. Government technical data includes 1 verified specification, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-323-8111
Primary Part Number0N199302
Item NameValve,vent
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGreenfield Manufacturing Co., Inc.
StatusACTIVE
Specification/standard Data98320-0N199302 MANUFACTURERS STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-00-296-9677 INTERCHANGEABLE
Valve,vent
Cross-Reference Index
Part NumberManufacturer
0N199302 Greenfield Manufacturing Co., Inc. (USA)
Related Parts
4820-00-296-9677INTERCHANGEABLE
VALVE,VENT

Frequently Asked Questions

What is NSN 4820-01-323-8111?

NSN 4820-01-323-8111 is a Valve,vent, manufactured by Greenfield Manufacturing Co., Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-323-8111?

NSN 4820-01-323-8111 has 1 cross-referenced part number: 0N199302 (Greenfield Manufacturing Co., Inc.).

What NSN replaces 4820-01-323-8111?

There is 1 known substitute for 4820-01-323-8111: 4820-00-296-9677. Verify interchangeability with system specifications before substitution.

What are the specifications of 0N199302?

Key specifications for 0N199302: Specification/standard Data: 98320-0N199302 MANUFACTURERS STANDARD. 1 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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