PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-4814Hygrosensor,humidity

Newport Scientific Inc Hygrodynamic Products Div · NSN 6685-00-617-3733 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-617-3733 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-617-3733. Primary manufacturer part number: 4-4814.
Features
  • Hygrosensor,humidity — FSC 6685
  • General Characteristics Item Description: 2.000 IN. LG,0.750 IN. DIA IN
  • 2 verified cross-references
  • Primary manufacturer: Newport Scientific Inc Hygrodynamic Products Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Hygrosensor,humidity, cataloged under National Stock Number 6685-00-617-3733, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Newport Scientific Inc Hygrodynamic Products Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-617-3733
Primary Part Number4-4814
Item NameHygrosensor,humidity
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerNewport Scientific Inc Hygrodynamic Products Div
StatusACTIVE
General Characteristics Item Description2.000 IN. LG,0.750 IN. DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-237-754744814 INTERCHANGEABLE
Gasket
Cummins Inc.
4730-00-702-6596SAE J513 4-4 010107 INTERCHANGEABLE
Coupling,tube
Sae International Dba Sae International
5330-01-313-79007744814 INTERCHANGEABLE
Gasket
Deutz Corporation
5120-01-429-6531 INTERCHANGEABLE
Handle,socket Wrench
Cross-Reference Index
Part NumberManufacturer
4-4814 PRIMARY Newport Scientific Inc Hygrodynamic Products Div (USA)
91ELD0001 Harris Acoustic Products Corp (USA)
Related Parts
5330-00-237-7547INTERCHANGEABLE
GASKET
44814
4730-00-702-6596INTERCHANGEABLE
COUPLING,TUBE
SAE J513 4-4 010107
5330-01-313-7900INTERCHANGEABLE
GASKET
7744814
5120-01-429-6531INTERCHANGEABLE
HANDLE,SOCKET WRENCH

Frequently Asked Questions

What is NSN 6685-00-617-3733?

NSN 6685-00-617-3733 is a Hygrosensor,humidity, manufactured by Newport Scientific Inc Hygrodynamic Products Div, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-617-3733?

NSN 6685-00-617-3733 has 2 cross-referenced part numbers: 4-4814 (Newport Scientific Inc Hygrodynamic Products Div), 91ELD0001 (Harris Acoustic Products Corp).

What NSN replaces 6685-00-617-3733?

There are 4 known substitutes for 6685-00-617-3733: 5330-00-237-7547, 4730-00-702-6596, 5330-01-313-7900 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-4814?

Key specifications for 4-4814: General Characteristics Item Description: 2.000 IN. LG,0.750 IN. DIA 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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