PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G001-5020-01Oxygen Mask Valve

Gentex Corp · NSN 1660-00-226-5334 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-226-5334 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-226-5334. Primary manufacturer part number: G001-5020-01.
Features
  • Oxygen Mask Valve — FSC 1660
  • General Characteristics Item Description: ALUMINUM ALLOY,1.313 IN. LG,1.625 IN. OD,0.750 IN. ID IN
  • 7 verified cross-references
  • Primary manufacturer: Gentex Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Oxygen Mask Valve, cataloged under National Stock Number 1660-00-226-5334, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Gentex Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 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
NSN1660-00-226-5334
Primary Part NumberG001-5020-01
Item NameOxygen Mask Valve
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerGentex Corp
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY,1.313 IN. LG,1.625 IN. OD,0.750 IN. ID IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
1660-00-783-5292 INTERCHANGEABLE
Valve,oxygen Mask
1660-01-114-7208 INTERCHANGEABLE
Valve Assembly,oxygen Mask
1660-01-443-8133 INTERCHANGEABLE
Valve Assembly,oxyg
Cross-Reference Index
Part NumberManufacturer
G001-5020-01 Gentex Corp (USA)
211-250C Avox Systems Inc Dba Avox Systems Inc (USA)
211-250D Scott Technologies, Inc. (USA)
211-250D Avox Systems Inc Dba Avox Systems Inc (USA)
MIL-V-27296 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M27296-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
211-250B Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
1660-00-783-5292INTERCHANGEABLE
VALVE,OXYGEN MASK
1660-01-114-7208INTERCHANGEABLE
VALVE ASSEMBLY,OXYGEN MASK
1660-01-443-8133INTERCHANGEABLE
VALVE ASSEMBLY,OXYG

Frequently Asked Questions

What is NSN 1660-00-226-5334?

NSN 1660-00-226-5334 is a Oxygen Mask Valve, manufactured by Gentex Corp, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-226-5334?

NSN 1660-00-226-5334 has 7 cross-referenced part numbers: G001-5020-01 (Gentex Corp), 211-250C (Avox Systems Inc Dba Avox Systems Inc), 211-250D (Scott Technologies, Inc.), 211-250D (Avox Systems Inc Dba Avox Systems Inc), MIL-V-27296 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 1660-00-226-5334?

There are 3 known substitutes for 1660-00-226-5334: 1660-00-783-5292, 1660-01-114-7208, 1660-01-443-8133. Verify interchangeability with system specifications before substitution.

What are the specifications of G001-5020-01?

Key specifications for G001-5020-01: General Characteristics Item Description: ALUMINUM ALLOY,1.313 IN. LG,1.625 IN. OD,0.750 IN. ID IN. 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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