The Manometer,vertical Tube, cataloged under National Stock Number 6685-01-682-7023, 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 Dwyer Instruments (aust) Pty Ltd. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-682-7023 |
| Primary Part Number | 1230-24-W/M |
| Item Name | Manometer,vertical Tube |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Dwyer Instruments (aust) Pty Ltd |
| Status | ACTIVE |
| Indicating Liquid for Which Designed | MERCURY AND WATER |
| Scale Smallest Increment | 0.0 INCHES IN |
| Scale Range | +0.0 TO 24.0 INCHES OF MERCURY IN |
| Mounting Type | BASE |
| 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 |
|---|---|
| 1230-24-W/M | Dwyer Instruments (aust) Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 1230-24-W/M | 3/2 Design control — primary reference U.S. Government activity |
NSN 6685-01-682-7023 is a Manometer,vertical Tube, manufactured by Dwyer Instruments (aust) Pty Ltd, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-682-7023 has 1 manufacturer part number on file: 1230-24-W/M (Dwyer Instruments (aust) Pty Ltd).
Key specifications for 1230-24-W/M: Indicating Liquid for Which Designed: MERCURY AND WATER; Scale Smallest Increment: 0.0 INCHES IN; Scale Range: +0.0 TO 24.0 INCHES OF MERCURY IN; Part Name Assigned by Controlling Agency: WELL TYPE MANOMETER. 4 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.