The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-591-7007, 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 Ashcroft Inc Dba Heise. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-591-7007 |
| Primary Part Number | G27-351 REV E / EA24-3PYF-EBAO |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| 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 |
|---|---|
| G27-351 REV E / EA24-3PYF-EBAO | Ashcroft Inc Dba Heise (USA) |
| G27-351 REV E/EA24-3PYF-EBAO CP | Naval Inventory Control Point Mechanicsburg (USA) |
| EA24-3PYF-EBAO OXYGEN CLEAN CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| EA24-3PYF-EBAO OXYGEN CLEAN | 3/1 Design control — primary reference Weksler Glass Thermometer Corp |
NSN 6685-01-591-7007 is a Gage,differential,dial Indicatin, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-591-7007 has 3 manufacturer part numbers on file: G27-351 REV E / EA24-3PYF-EBAO (Ashcroft Inc Dba Heise), G27-351 REV E/EA24-3PYF-EBAO CP (Naval Inventory Control Point Mechanicsburg), EA24-3PYF-EBAO OXYGEN CLEAN CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for G27-351 REV E / EA24-3PYF-EBAO: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: HI-SHOCK PRESSURE GAUGE; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 2 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.