PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3431Indicator,humidity,plug

Clariant Corp Div Clariant Corporation · NSN 6685-01-191-5025 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-191-5025 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-191-5025. Primary manufacturer part number: 3431.
Features
  • Indicator,humidity,plug — FSC 6685
  • Material: ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024
  • Material Document and Classification: MIL-I-26860 TYPE 2 MIL SPEC 1ST MATERIAL RESPONSE
  • Style Designator: PLUG
  • End Connection Type: FLANGED, RECESSED SINGLE END
  • Thread Series Designator: NPT SINGLE END
  • Desiccant Spot Humidity Percentage: 20.0 AND 30.0 AND 40.0
  • Thread Quantity Per Inch: 14 SINGLE END
Applications
  • Applications requiring Aluminum Alloy 2017 or Aluminum Alloy 2024 construction
General Description

The Indicator,humidity,plug, cataloged under National Stock Number 6685-01-191-5025, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Clariant Corp Div Clariant Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-191-5025
Primary Part Number3431
Item NameIndicator,humidity,plug
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerClariant Corp Div Clariant Corporation
StatusACTIVE
MaterialALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024
Material Document and ClassificationMIL-I-26860 TYPE 2 MIL SPEC 1ST MATERIAL RESPONSE
Style DesignatorPLUG
End Connection TypeFLANGED, RECESSED SINGLE END
Thread Series DesignatorNPT SINGLE END
Desiccant Spot Humidity Percentage20.0 AND 30.0 AND 40.0
Thread Quantity Per Inch14 SINGLE END
Nominal Thread Size0.750 INCHES SINGLE END IN
Overall Diameter1.375 INCHES NOMINAL IN
Thread DirectionLEFT-HAND SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-011-2304 INTERCHANGEABLE
Plug,pipe
5999-00-113-2626 INTERCHANGEABLE
Contact,electrical
5310-00-345-09902153 INTERCHANGEABLE
Washer,shouldered
Dialight Corporation
1650-00-633-5135932755 INTERCHANGEABLE
Disk,fluid Filter
Eaton Aerospace, Llc Dba Jackson South
2520-00-737-83363431 INTERCHANGEABLE
Gear Transmission
Clark Material Handling Company
5935-00-786-3544GLD3431 INTERCHANGEABLE
Connector,plug,electrical
General Electric Co Wiring Device Dept
9390-00-812-0133 INTERCHANGEABLE
Sheeting,reflective
5825-00-901-25333431 INTERCHANGEABLE
Chassis Erase Bias
The Bechdon Company, Llc
3220-00-926-106133-890 INTERCHANGEABLE
Saw,radial Overarm,woodworking
Delta Intl Machinery Corp
5935-01-111-5560 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
3431 PRIMARY Clariant Corp Div Clariant Corporation (USA)
SAP 3433 Clariant Corp Div Clariant Corporation (USA)
2156-234P-DA2 Clariant Corp Div Clariant Corporation (USA)
5479167 Naval Sea Systems Command (USA)
Related Parts
4730-00-011-2304INTERCHANGEABLE
PLUG,PIPE
5999-00-113-2626INTERCHANGEABLE
CONTACT,ELECTRICAL
5310-00-345-0990INTERCHANGEABLE
WASHER,SHOULDERED
2153
1650-00-633-5135INTERCHANGEABLE
DISK,FLUID FILTER
932755
2520-00-737-8336INTERCHANGEABLE
GEAR TRANSMISSION
3431
5935-00-786-3544INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
GLD3431
9390-00-812-0133INTERCHANGEABLE
SHEETING,REFLECTIVE
5825-00-901-2533INTERCHANGEABLE
CHASSIS ERASE BIAS
3431
3220-00-926-1061INTERCHANGEABLE
SAW,RADIAL OVERARM,WOODWORKING
33-890
5935-01-111-5560INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6110-01-201-4175INTERCHANGEABLE
CONTACTOR,MAGNETIC
3431
5330-01-249-5643INTERCHANGEABLE
SEAL,PLAIN
3431

Frequently Asked Questions

What is NSN 6685-01-191-5025?

NSN 6685-01-191-5025 is a Indicator,humidity,plug, manufactured by Clariant Corp Div Clariant Corporation, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-191-5025?

NSN 6685-01-191-5025 has 4 cross-referenced part numbers: 3431 (Clariant Corp Div Clariant Corporation), SAP 3433 (Clariant Corp Div Clariant Corporation), 2156-234P-DA2 (Clariant Corp Div Clariant Corporation), 5479167 (Naval Sea Systems Command).

What NSN replaces 6685-01-191-5025?

There are 12 known substitutes for 6685-01-191-5025: 4730-00-011-2304, 5999-00-113-2626, 5310-00-345-0990 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3431?

Key specifications for 3431: Material: ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024; Overall Height: 4.000 INCHES NOMINAL IN; Material Document and Classification: MIL-I-26860 TYPE 2 MIL SPEC 1ST MATERIAL RESPONSE; Special Features: W/POROUS DESICCANT. 12 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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