The Thermowell, cataloged under National Stock Number 6685-01-396-7528, 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 Weed Instrument Company, Inc. Dba Ultra Energy Div Ultra Energy. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-396-7528 |
| Primary Part Number | 0341-005-0055 |
| Item Name | Thermowell |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Weed Instrument Company, Inc. Dba Ultra Energy Div Ultra Energy |
| Status | ACTIVE |
| Style Designator | THREADED STRAIGHT SHANK |
| Material Document and Classification | AISI 316 ASSN STD 1ST MATERIAL RESPONSE |
| Bulb Tip Outside Diameter | 15.87 MILLIMETERS NOMINAL MM |
| External Thread Size | 3/4 NPT3/4 NPT |
| Bulb Tip Length | 76.2 MILLIMETERS NOMINAL MM |
| Straight Bore Depth | 107.95 MILLIMETERS NOMINAL ALL BORES MM |
| Internal Thread Size | 1/2 NPSMX25.4 DEEP FIRST BORE |
| Material | STEEL COMP 316 |
| Bore Inside Diameter | 6.53 MILLIMETERS MINIMUM AND 6.73 MILLIMETERS MAXIMUM ALL BORES MM |
| 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 |
|---|---|
| 0341-005-0055 PRIMARY | Weed Instrument Company, Inc. Dba Ultra Energy Div Ultra Energy (USA) |
NSN 6685-01-396-7528 is a Thermowell, manufactured by Weed Instrument Company, Inc. Dba Ultra Energy Div Ultra Energy, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-396-7528 has 1 manufacturer part number on file: 0341-005-0055 (Weed Instrument Company, Inc. Dba Ultra Energy Div Ultra Energy).
Key specifications for 0341-005-0055: Style Designator: THREADED STRAIGHT SHANK; Material Document and Classification: AISI 316 ASSN STD 1ST MATERIAL RESPONSE; Overall Length: 114.3 MILLIMETERS NOMINAL114.3 MILLIMETERS NOMINAL MM; Bulb Tip Outside Diameter: 15.87 MILLIMETERS NOMINAL MM. 9 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.