The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-673-0199, 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. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 6685-01-673-0199 |
| Primary Part Number | EA243PTPEWAO OXYGEN CLEANCP |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| 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 |
|---|---|
| EA243PTPEWAO OXYGEN CLEANCP | Naval Inventory Control Point Mechanicsburg (USA) |
| 504-8200941 AY 90 ITEM NO 27CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| EA243PTPEWAO OXYGEN CLEAN | 5/1 Secondary reference Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc |
| 504-8200941 AY 90 ITEM NO 27 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| EA243PTPEWAO OXYGEN CLEAN | 3/1 Design control — primary reference Ashcroft Inc Dba Heise |
NSN 6685-01-673-0199 is a Gage,pressure,dial Indicating, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-673-0199 has 2 manufacturer part numbers on file: EA243PTPEWAO OXYGEN CLEANCP (Naval Inventory Control Point Mechanicsburg), 504-8200941 AY 90 ITEM NO 27CP (Naval Inventory Control Point Mechanicsburg).
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.