PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TQ2683-1Thermocouple,contact

Ametek Inc Div Aerospace and Defense · NSN 6685-00-575-4611 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-575-4611 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-575-4611. Primary manufacturer part number: TQ2683-1.
Features
  • Thermocouple,contact — FSC 6685
  • Material: FIBERGLASS OUTER JACKET INSULATION/SHEATHING
  • Operating Temp Range: +55.0 TO 300.0 CELSIUS DEGC
  • Terminal Type and Quantity: 1 LUG AND 1 LUG W/NUT
  • Unit Type: GASKET
  • 16 verified cross-references
  • Primary manufacturer: Ametek Inc Div Aerospace and Defense
Applications
  • Applications requiring Fiberglass Outer Jacket Insulation/sheathing construction
General Description

The Thermocouple,contact, cataloged under National Stock Number 6685-00-575-4611, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek Inc Div Aerospace and Defense. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-575-4611
Primary Part NumberTQ2683-1
Item NameThermocouple,contact
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek Inc Div Aerospace and Defense
StatusCANCELLED
MaterialFIBERGLASS OUTER JACKET INSULATION/SHEATHING
Operating Temp Range+55.0 TO 300.0 CELSIUS DEGC
Terminal Type and Quantity1 LUG AND 1 LUG W/NUT
Unit TypeGASKET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1650-00-095-4323100371 INTERCHANGEABLE
Rotor,pump
Weldon Pump Llc
5998-00-241-5869101248 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
3040-00-343-2119 INTERCHANGEABLE
Shaft,rotor
4710-00-444-1867533760 INTERCHANGEABLE
Tube Assembly,metal
Fwd Seagrave Holdings Lp
5330-00-472-6189100371 INTERCHANGEABLE
Gasket
Clayton Manufacturing Company
5999-00-686-9076SMC416709-01 INTERCHANGEABLE
Clip,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5945-00-906-228713106-2 INTERCHANGEABLE
Plate,mounting
Te Connectivity Corporation
6630-01-071-2500023-0240 INTERCHANGEABLE
Pyrolyzer,solids
Applied Biosystems, Llc Dba Life Technologies
5130-01-128-2625100371 INTERCHANGEABLE
Piston Locator
Huck International, Inc. Div Kingston Operations
7510-01-301-1533 INTERCHANGEABLE
Ribbon,inking
Cross-Reference Index
Part NumberManufacturer
TQ2683-1 Ametek Inc Div Aerospace and Defense (USA)
2206916 The Boeing Company (USA)
R152Q2 Minnesota Mining and Mfg Co Broadcasting and Related Products Div
1B10B Thermo Electric Company Inc. Dba Thermo Electric Company (USA)
131062 Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
8T301B Horizon Aerospace Llc Dba Magnetics Division (USA)
236AL6 Entron Industries Limited Partnership Dba Entron Industries Property Div (USA)
AN5540-2 Aeronautical Standards Group Dept of Navy and Air Force (USA)
1B12B Thermo Electric Company Inc. Dba Thermo Electric Company (USA)
812E4991 Kersey / American Lafrance a Div of Figgie International Inc (USA)
101248 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
MIL-T-5494 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
533760 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
R152Q2 Ametek Inc Div Aerospace and Defense (USA)
10037-1 Thermo Electric Company Inc. Dba Thermo Electric Company (USA)
533760 Teledyne Industries Inc Teledyne Power Systems Div (USA)
Related Parts
1650-00-095-4323INTERCHANGEABLE
ROTOR,PUMP
100371
5998-00-241-5869INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
101248
3040-00-343-2119INTERCHANGEABLE
SHAFT,ROTOR
4710-00-444-1867INTERCHANGEABLE
TUBE ASSEMBLY,METAL
533760
5330-00-472-6189INTERCHANGEABLE
GASKET
100371
5999-00-686-9076INTERCHANGEABLE
CLIP,ELECTRICAL
SMC416709-01
5945-00-906-2287INTERCHANGEABLE
PLATE,MOUNTING
13106-2
6630-01-071-2500INTERCHANGEABLE
PYROLYZER,SOLIDS
023-0240
5130-01-128-2625INTERCHANGEABLE
PISTON LOCATOR
100371
7510-01-301-1533INTERCHANGEABLE
RIBBON,INKING
5930-01-341-5940INTERCHANGEABLE
SWITCH,LIQUID LEVEL
LS-130970-2
5306-01-346-3680INTERCHANGEABLE
BOLT,SHOULDER
CM/100371

Frequently Asked Questions

What is NSN 6685-00-575-4611?

NSN 6685-00-575-4611 is a Thermocouple,contact, manufactured by Ametek Inc Div Aerospace and Defense, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-575-4611?

NSN 6685-00-575-4611 has 16 cross-referenced part numbers: TQ2683-1 (Ametek Inc Div Aerospace and Defense), 2206916 (The Boeing Company), R152Q2 (Minnesota Mining and Mfg Co Broadcasting and Related Products Div), 1B10B (Thermo Electric Company Inc. Dba Thermo Electric Company), 131062 (Curtiss-Wright Controls, Inc. Div Actuation Division) and 11 more.

What NSN replaces 6685-00-575-4611?

There are 12 known substitutes for 6685-00-575-4611: 1650-00-095-4323, 5998-00-241-5869, 3040-00-343-2119 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TQ2683-1?

Key specifications for TQ2683-1: Material: FIBERGLASS OUTER JACKET INSULATION/SHEATHING; Operating Temp Range: +55.0 TO 300.0 CELSIUS DEGC; Terminal Type and Quantity: 1 LUG AND 1 LUG W/NUT; Special Features: IRON-CONSTANTAN WIRE MATERIAL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-575-4611 still in active supply?

NSN 6685-00-575-4611 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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