The Thermocouple,immersion, cataloged under National Stock Number 6685-01-518-0319, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Rosemount Aerospace Inc Dba Rosemount Aerospace Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-518-0319 |
| Primary Part Number | 6837 |
| Item Name | Thermocouple,immersion |
| FSC / FSG | 6685 / 66 — No Item Name Available |
| Manufacturer | Rosemount Aerospace Inc Dba Rosemount Aerospace Inc |
| Status | ACTIVE |
| Material | NICKEL ALLOY THERMOCOUPLE WIRE |
| Terminal Type and Quantity | 4 TERMINAL BLOCK W/SCREWS |
| Reference Data and Literature | PRATT & WHITNEY DRAWING 4087911 AND ROSEMOUNT DRAWING 6837 |
| Mounting Bolt Circle Diameter | 2.140 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN |
| Operating Temp Range | +1000.0 TO 1975.0 FAHRENHEIT DEGF |
| Functional Description | THERMOCOUPLE IS A DUAL ELEMENT IMMERSION THERMOCOUPLE DESIGNED FOR USE IN THE PRATT & WHITNEY F 100 ENGINES, LOCATION IS THE FRONT TURBINE INLET |
| Immersion Length | 2.557 INCHES MINIMUM AND 2.567 INCHES MAXIMUM IN |
| Mounting Facility Type and Quantity | 1 FLANGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6837A | Rosemount Aerospace Inc Dba Rosemount Aerospace Inc (USA) |
| 6837 PRIMARY | Rosemount Aerospace Inc Dba Rosemount Aerospace Inc (USA) |
| 6685PL1621310 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 6837A | Rosemount Aerospace Inc. Dba Rosemount Aerospace Division Div Utas (USA) |
| 6685PL0751291 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 4087911 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 6837 PRIMARY | Rosemount Aerospace Inc. Dba Rosemount Aerospace Division Div Utas (USA) |
NSN 6685-01-518-0319 is a Thermocouple,immersion, manufactured by Rosemount Aerospace Inc Dba Rosemount Aerospace Inc, classified under FSC 6685 (No Item Name Available). Status: active.
NSN 6685-01-518-0319 has 7 cross-referenced part numbers: 6837A (Rosemount Aerospace Inc Dba Rosemount Aerospace Inc), 6837 (Rosemount Aerospace Inc Dba Rosemount Aerospace Inc), 6685PL1621310 (Jednolity Indeks Materialowy - Uniform Material Index), 6837A (Rosemount Aerospace Inc. Dba Rosemount Aerospace Division Div Utas), 6685PL0751291 (Jednolity Indeks Materialowy - Uniform Material Index) and 2 more.
There are 6 known substitutes for 6685-01-518-0319: 2910-00-119-0644, 5120-00-223-6837, 5930-00-296-5890 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6837: Material: NICKEL ALLOY THERMOCOUPLE WIRE; Terminal Type and Quantity: 4 TERMINAL BLOCK W/SCREWS; Reference Data and Literature: PRATT & WHITNEY DRAWING 4087911 AND ROSEMOUNT DRAWING 6837; Mounting Bolt Circle Diameter: 2.140 INCHES MINIMUM AND 2.160 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.