The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-528-5307, 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 Reotemp Instrument Corporation. Government technical data includes 24 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-528-5307 |
| Primary Part Number | PM25C1E4L22D-OXY |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Reotemp Instrument Corporation |
| Status | ACTIVE |
| Scale Accuracy | 1.6 PCT FULL RANGE |
| Scale Name | PRESSURE |
| Actuation Type | PRESSURE SENSING ELEMENT |
| Mounting Connection Location | BACK |
| Mounting Method | FLANGE |
| Scale Inscription/background Color | BLACK FIGURES, WHITE BACKGROUND |
| Scale Smallest Increment | 10.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 400.0 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | AISI 316 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT |
| Material Document and Classification | AISI 0304 ASSN STD SINGLE MATERIAL RESPONSE CASE |
| Scale Name for Which Pointer Is Designed | PRESSURE |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2-1/2 IN IN |
| Graduation Unit | 100.0 POUNDS PER SQUARE INCH LBS |
| Pointer Color | BLACK |
| Material | STEEL COMP 304 CASE |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | STEEL COMP 316 ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 0.250 NPT DIA |
| 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 |
|---|---|
| PM25C1E4L22D-OXY PRIMARY | Reotemp Instrument Corporation (USA) |
NSN 6685-01-528-5307 is a Gage,pressure,dial Indicating, manufactured by Reotemp Instrument Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-528-5307 has 1 manufacturer part number on file: PM25C1E4L22D-OXY (Reotemp Instrument Corporation).
Key specifications for PM25C1E4L22D-OXY: Scale Accuracy: 1.6 PCT FULL RANGE; Scale Name: PRESSURE; Actuation Type: PRESSURE SENSING ELEMENT; Mounting Connection Location: BACK. 24 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.