The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-592-9331, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6685-01-592-9331 |
| Primary Part Number | EA24-3PYF-EWAO OXYGEN CLEAN CP |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Scale Name | OXYGEN PRESSURE |
| Actuation Type | BOURDON TUBE |
| Scale Smallest Increment | 1.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Criticality Code Justification | ZZZY |
| Scale Range | +0.0 TO 10000.0 POUNDS LBS |
| Material Document and Classification | K-MONEL MFR REF SINGLE MATERIAL RESPONSE ACTUATING ELEMENT |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3.5 |
| Graduation Unit | 1.0 POUNDS PER SQUARE INCH LBS |
| Pointer Color | BLACK |
| Material | NICKEL ALLOY ACTUATING ELEMENT |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| EA24-3PYF-EWAO OXYGEN CLEAN CP | Naval Inventory Control Point Mechanicsburg (USA) |
| G27-351 REV E/EA24-3PYF-EWAO CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| G27-351 REV E / EA24-3PYF-EWAO | 5/1 Secondary reference Ashcroft Inc Dba Heise |
| EA24-3PYF-EWAO OXYGEN CLEAN | 3/1 Design control — primary reference Weksler Glass Thermometer Corp |
NSN 6685-01-592-9331 is a Gage,differential,dial Indicatin, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-592-9331 has 2 manufacturer part numbers on file: EA24-3PYF-EWAO OXYGEN CLEAN CP (Naval Inventory Control Point Mechanicsburg), G27-351 REV E/EA24-3PYF-EWAO CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for EA24-3PYF-EWAO OXYGEN CLEAN CP: Scale Name: OXYGEN PRESSURE; Actuation Type: BOURDON TUBE; Scale Smallest Increment: 1.0 POUNDS PER SQUARE INCH (PSI) LBS; Criticality Code Justification: ZZZY. 13 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.