PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41985Thermocouple,head Assembly

Meggitt (new Hampshire), Inc · NSN 6685-00-799-5787 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-799-5787 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-799-5787. Primary manufacturer part number: 41985.
Features
  • Thermocouple,head Assembly — FSC 6685
  • General Characteristics Item Description: MATERIAL CAST ALUMINUM PER SPEC QQ-A-591,3.188 IN. LG,2.750 IN. W,3.062 IN. H IN
  • 2 verified cross-references
  • Primary manufacturer: Meggitt (new Hampshire), Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermocouple,head Assembly, cataloged under National Stock Number 6685-00-799-5787, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Meggitt (new Hampshire), Inc. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-799-5787
Primary Part Number41985
Item NameThermocouple,head Assembly
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerMeggitt (new Hampshire), Inc
StatusACTIVE
General Characteristics Item DescriptionMATERIAL CAST ALUMINUM PER SPEC QQ-A-591,3.188 IN. LG,2.750 IN. W,3.062 IN. H IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6145-00-069-787141985 INTERCHANGEABLE
Cable,special Purpose,electrical
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
3040-01-477-721441985 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Allied Systems Company Dba Allied Systems Co
2920-01-563-5817 INTERCHANGEABLE
Spark Plug
5310-01-650-8429B18.16.6-1/4-20-NE-GRADEN5-FE/Z INTERCHANGEABLE
Nut,self-Locking,hexagon
The American Society of Mechanical Engineers
6210-01-670-009641985-1 INTERCHANGEABLE
Bracket,light Retention
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Cross-Reference Index
Part NumberManufacturer
41985 Meggitt (new Hampshire), Inc (USA)
BS-41985 British Sarozal Ltd (GBR)
Related Parts
6145-00-069-7871INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
41985
3040-01-477-7214INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
41985
2920-01-563-5817INTERCHANGEABLE
SPARK PLUG
5310-01-650-8429INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
B18.16.6-1/4-20-NE-GRADEN5-FE/Z
6210-01-670-0096INTERCHANGEABLE
BRACKET,LIGHT RETENTION
41985-1

Frequently Asked Questions

What is NSN 6685-00-799-5787?

NSN 6685-00-799-5787 is a Thermocouple,head Assembly, manufactured by Meggitt (new Hampshire), Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-799-5787?

NSN 6685-00-799-5787 has 2 cross-referenced part numbers: 41985 (Meggitt (new Hampshire), Inc), BS-41985 (British Sarozal Ltd).

What NSN replaces 6685-00-799-5787?

There are 5 known substitutes for 6685-00-799-5787: 6145-00-069-7871, 3040-01-477-7214, 2920-01-563-5817 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41985?

Key specifications for 41985: General Characteristics Item Description: MATERIAL CAST ALUMINUM PER SPEC QQ-A-591,3.188 IN. LG,2.750 IN. W,3.062 IN. H 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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