PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

109UTube,gas Detector

Sensidyne, Lp Dba Sensidyne · NSN 6665-01-512-3018 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-01-512-3018 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-512-3018. Primary manufacturer part number: 109U.
Features
  • Tube,gas Detector — FSC 6665
  • 4 verified cross-references
  • Primary manufacturer: Sensidyne, Lp Dba Sensidyne
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Tube,gas Detector, cataloged under National Stock Number 6665-01-512-3018, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Sensidyne, Lp Dba Sensidyne. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-01-512-3018
Primary Part Number109U
Item NameTube,gas Detector
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerSensidyne, Lp Dba Sensidyne
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-293-9338 INTERCHANGEABLE
Bearing,ball,annular
4320-01-198-2949109U INTERCHANGEABLE
Suction Valve,upper
Neptune Chemical Pump Co Div of R a Industries Inc
Cross-Reference Index
Part NumberManufacturer
6665NCM031108 Defense Medical Standardization Board (USA)
109U PRIMARY Sensidyne, Lp Dba Sensidyne (USA)
03-1389 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
8LL Instrument Depot Inc (USA)
Related Parts
3110-00-293-9338INTERCHANGEABLE
BEARING,BALL,ANNULAR
4320-01-198-2949INTERCHANGEABLE
SUCTION VALVE,UPPER
109U

Frequently Asked Questions

What is NSN 6665-01-512-3018?

NSN 6665-01-512-3018 is a Tube,gas Detector, manufactured by Sensidyne, Lp Dba Sensidyne, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-01-512-3018?

NSN 6665-01-512-3018 has 4 cross-referenced part numbers: 6665NCM031108 (Defense Medical Standardization Board), 109U (Sensidyne, Lp Dba Sensidyne), 03-1389 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 8LL (Instrument Depot Inc).

What NSN replaces 6665-01-512-3018?

There are 2 known substitutes for 6665-01-512-3018: 3110-00-293-9338, 4320-01-198-2949. Verify interchangeability with system specifications before substitution.

What are the specifications of 109U?

Key specifications for 109U: Special Features: CHLORINE GAS DETECTOR GLASS TUBE; 1-2 STROKES; 0.05-2.0PPM MEASURING RANGE; 1PPM STEL CEILING; Part Name Assigned by Controlling Agency: GAS DETECTOR TUBE CHLORINE 10S. 2 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