PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

651-01BMask,oxygen

Avox Systems Inc Dba Avox Systems Inc · NSN 1660-01-338-8000 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-01-338-8000 — this item is cataloged by the U.S. Government under National Stock Number 1660-01-338-8000. Primary manufacturer part number: 651-01B.
Features
  • Mask,oxygen — FSC 1660
  • 1 verified cross-reference
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mask,oxygen, cataloged under National Stock Number 1660-01-338-8000, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. 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.

Catalog Facts
Item NameMask,oxygen
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersAvox Systems Inc Dba Avox Systems Inc (CAGE 53655)
Technical Specifications
ParameterValue
NSN1660-01-338-8000
Primary Part Number651-01B
Item NameMask,oxygen
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4320-01-005-302565101B INTERCHANGEABLE
Pump,axial Pistons
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
651-01B PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
4320-01-005-3025INTERCHANGEABLE
PUMP,AXIAL PISTONS
65101B

Frequently Asked Questions

What is NSN 1660-01-338-8000?

NSN 1660-01-338-8000 is a Mask,oxygen, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-01-338-8000?

NSN 1660-01-338-8000 has 1 cross-referenced part number: 651-01B (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 1660-01-338-8000?

There is 1 known substitute for 1660-01-338-8000: 4320-01-005-3025. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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