The Manometer,u-Tube, cataloged under National Stock Number 6685-00-526-9192, 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 Kidde-Fenwal, Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-526-9192 |
| Primary Part Number | WK-840041-000 |
| Item Name | Manometer,u-Tube |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Kidde-Fenwal, Llc |
| Status | ACTIVE |
| Zero Adjuster | PROVIDED |
| Indicator Type | ONE LIQUID |
| Equalizing Valve | NOT PROVIDED |
| Indicating Liquid for Which Designed | WATER |
| Scale Smallest Increment | 0.063 INCHES IN |
| Receptacle Type | EXPANSION CHAMBER |
| Indicating Liquid | NOT PROVIDED |
| Connection Type | ELASTIC TUBING |
| Scale Range | +0.0 TO 12.0 INCHES IN |
| Operating Pressure | 0.2166 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Accessory Components and Quantity | CONNECTION FOR COMPRESSION TYPE COUPLING 1; CONNECTION FOR SOLDERED TYPE COUPLING MALE 1; CONNECTION FOR VENT TEE 1 |
| Tubing Outside Diameter | 0.188 INCHES NOMINAL IN |
| Connection Facility Type | EXTERNAL |
| Connection Location | UPPER RIGHT HAND SIDE |
| Parallax Eliminating Feature | PROVIDED |
| Control Valve | NOT PROVIDED |
| Mounting Provision for Which Designed | SURFACE PANEL |
| 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 |
|---|---|
| WK-840041-000 PRIMARY | Kidde-Fenwal, Llc (USA) |
| Reference | Meaning |
|---|---|
| 8069701 | 5/9 Secondary reference Kidde Fire Fighting Inc Dba Kidde Fire Fighting Div Powhatan/automatic Sprinkler |
| 69-100A | 5/9 Secondary reference Kidde Fire Fighting Inc Dba Kidde Fire Fighting Div Powhatan/automatic Sprinkler |
| 69-100A | 5/9 Secondary reference Grinnell Fire Protection |
NSN 6685-00-526-9192 is a Manometer,u-Tube, manufactured by Kidde-Fenwal, Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-526-9192 has 1 manufacturer part number on file: WK-840041-000 (Kidde-Fenwal, Llc).
Key specifications for WK-840041-000: Zero Adjuster: PROVIDED; Indicator Type: ONE LIQUID; Equalizing Valve: NOT PROVIDED; Indicating Liquid for Which Designed: WATER. 17 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.