PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2055-1Thermocouple,contact

Lfe Instruments a Mark IV Co · NSN 6685-00-763-8706 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-763-8706 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-763-8706. Primary manufacturer part number: 2055-1.
Features
  • Thermocouple,contact — FSC 6685
  • Material: ASBESTOS INDIVIDUAL WIRE INSULATION
  • Terminal Type and Quantity: 2 WIRE LEAD
  • Material: STEEL OUTER JACKET INSULATION/SHEATHING
  • Unit Type: GASKET
  • Accommodated Wire Awg Size: 20
  • 1 verified cross-reference
  • Primary manufacturer: Lfe Instruments a Mark IV Co
Applications
  • Applications requiring Asbestos Individual Wire Insulation construction
General Description

The Thermocouple,contact, cataloged under National Stock Number 6685-00-763-8706, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lfe Instruments a Mark IV Co. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-763-8706
Primary Part Number2055-1
Item NameThermocouple,contact
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerLfe Instruments a Mark IV Co
StatusACTIVE
MaterialASBESTOS INDIVIDUAL WIRE INSULATION
Terminal Type and Quantity2 WIRE LEAD
MaterialSTEEL OUTER JACKET INSULATION/SHEATHING
Unit TypeGASKET
Accommodated Wire Awg Size20
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6105-00-168-3855 INTERCHANGEABLE
Stator,electrical
1730-00-169-08725813709-503 INTERCHANGEABLE
Cover,aircraft Ground Servicing
The Boeing Company
5935-00-258-4545625325PC5 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5355-00-355-61232055-1 INTERCHANGEABLE
Dial,scale
Mission Systems Davenport Inc.
4720-00-419-9381CH551 INTERCHANGEABLE
Hose,preformed
Gates Corporation
7310-00-474-589320551 INTERCHANGEABLE
Compartment Vent,steam Cooker
Cleveland Range, Llc
5950-00-646-3944986001-2 INTERCHANGEABLE
Transformer,pulse
Raytheon Company Dba Raytheon
5360-01-229-544320551 INTERCHANGEABLE
Spring,retainer
Real-Time Laboratories, Llc
5306-01-232-671820-551 INTERCHANGEABLE
Bolt,shoulder
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5985-01-275-720020551 INTERCHANGEABLE
Adapter,waveguide
Waveline Inc
Cross-Reference Index
Part NumberManufacturer
2055-1 Lfe Instruments a Mark IV Co (USA)
Related Parts
6105-00-168-3855INTERCHANGEABLE
STATOR,ELECTRICAL
1730-00-169-0872INTERCHANGEABLE
COVER,AIRCRAFT GROUND SERVICING
5813709-503
5935-00-258-4545INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
625325PC5
5355-00-355-6123INTERCHANGEABLE
DIAL,SCALE
2055-1
4720-00-419-9381INTERCHANGEABLE
HOSE,PREFORMED
CH551
7310-00-474-5893INTERCHANGEABLE
COMPARTMENT VENT,STEAM COOKER
20551
5950-00-646-3944INTERCHANGEABLE
TRANSFORMER,PULSE
986001-2
5360-01-229-5443INTERCHANGEABLE
SPRING,RETAINER
20551
5306-01-232-6718INTERCHANGEABLE
BOLT,SHOULDER
20-551
5985-01-275-7200INTERCHANGEABLE
ADAPTER,WAVEGUIDE
20551
4820-01-311-3925INTERCHANGEABLE
VALVE,CHECK
7080-5

Frequently Asked Questions

What is NSN 6685-00-763-8706?

NSN 6685-00-763-8706 is a Thermocouple,contact, manufactured by Lfe Instruments a Mark IV Co, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-763-8706?

NSN 6685-00-763-8706 has 1 cross-referenced part number: 2055-1 (Lfe Instruments a Mark IV Co).

What NSN replaces 6685-00-763-8706?

There are 11 known substitutes for 6685-00-763-8706: 6105-00-168-3855, 1730-00-169-0872, 5935-00-258-4545 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2055-1?

Key specifications for 2055-1: Material: ASBESTOS INDIVIDUAL WIRE INSULATION; Terminal Type and Quantity: 2 WIRE LEAD; Material: STEEL OUTER JACKET INSULATION/SHEATHING; Unit Type: GASKET. 7 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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