The Thermowell, cataloged under National Stock Number 6685-01-485-8434, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Johnson Controls Navy Systems, Llc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-485-8434 |
| Primary Part Number | 076-88410-000 |
| Item Name | Thermowell |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Style Designator | THREADED STRAIGHT SHANK |
| Bulb Tip Outside Diameter | 0.630 INCHES NOMINAL IN |
| External Thread Size | 1/2IN NPT1/2IN NPT IN |
| Bulb Tip Length | 2.000 INCHES NOMINAL IN |
| Straight Bore Depth | 2.590 INCHES NOMINAL ALL BORES IN |
| Internal Thread Size | 1/2NPTI ALL BORES |
| Material | COPPER ALLOY |
| Bore Inside Diameter | 0.386 INCHES NOMINAL ALL BORES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 076-88410-000 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 076-88410B | 5/9 Secondary reference Johnson Controls Navy Systems, Llc |
| 077-03075-000 ITEM 72 | 5/9 Secondary reference Johnson Controls Navy Systems, Llc |
NSN 6685-01-485-8434 is a Thermowell, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-485-8434 has 1 manufacturer part number on file: 076-88410-000 (Johnson Controls Navy Systems, Llc).
Key specifications for 076-88410-000: Style Designator: THREADED STRAIGHT SHANK; Overall Length: 3.310 INCHES NOMINAL3.310 INCHES NOMINAL IN; Bulb Tip Outside Diameter: 0.630 INCHES NOMINAL IN; External Thread Size: 1/2IN NPT1/2IN NPT IN. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.