The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-686-6240, 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 Wika Holding Lp. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-686-6240 |
| Primary Part Number | 50312804 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Wika Holding Lp |
| Status | ACTIVE |
| Scale Accuracy | PLUS/MINUS 2/1/2 PERCENT OF SPAN |
| Scale Name | POUNDS PER SQUARE INCH |
| Overall Diameter | 3.47 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | FLUSH FLANGE |
| Scale Inscription/background Color | BLACK INSCRIPTIONS ON WHITE BACKGROUND |
| Connection Type | NIPPLE |
| Scale Range | +0.0 TO 600.0 POUNDS PER SQUARE INCH LBS |
| Scale Name for Which Pointer Is Designed | PRESSURE |
| Scale Type | DIAL |
| Connector Type Vent | PROVIDED |
| Dial Size | 2.5 INCHES DIAMETER IN |
| Graduation Unit | 10.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | LOWER |
| Pointer Color | BLACK |
| Functional Description | PRESSURE GAUGE INTENDED FOR ADVERSE SERVICE CONDITIONS WHERE PULSATING OR VIBRATION EXISTS |
| Material | STEEL CORROSION RESISTING CASE |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| 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 |
|---|---|
| 50312804 PRIMARY | Wika Holding Lp (USA) |
| Reference | Meaning |
|---|---|
| 213.53.2.5" 2.5 BAR 1/4 NPT LOWE | 5/9 Secondary reference Wika Holding Lp |
NSN 6685-01-686-6240 is a Gage,pressure,dial Indicating, manufactured by Wika Holding Lp, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-686-6240 has 1 manufacturer part number on file: 50312804 (Wika Holding Lp).
Key specifications for 50312804: Overall Height: 4.26 INCHES NOMINAL IN; Scale Accuracy: PLUS/MINUS 2/1/2 PERCENT OF SPAN; Scale Name: POUNDS PER SQUARE INCH; Overall Diameter: 3.47 INCHES NOMINAL IN. 19 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.