The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-237-1554, 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 Sea Systems Command. Government technical data includes 25 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-237-1554 |
| Primary Part Number | 801-6404732-FIND NO 22 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | PORM 1 PCT OF FULL SCALE |
| Scale Name | PRESSURE |
| Overall Diameter | 4.969 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | FLUSH |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Criticality Code Justification | ZZZY |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 8000.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Pointer Type | INDICATING AND REFERENCE |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2 IN. DIA IN |
| Bolt Circle Diameter | 5.375 INCHES NOMINAL IN |
| Connection Location | LOWER RIGHT HAND SIDE |
| Pointer Color | BLACK AND RED |
| Material | NICKEL ALLOY ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM CASE |
| Connection Quantity | 1 |
| Connection Size | 0.438 IN. TUBE IN |
| 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 |
|---|---|
| 801-6404732-FIND NO 22 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SA24-3PXF-EWB0 | 5/9 Secondary reference Weksler Glass Thermometer Corp |
| EA24-3PXF-EWB0 | 3/1 Design control — primary reference Ashcroft Inc Dba Heise |
| SA24-3PXF-EWB0CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 211035833 | 5/2 Secondary reference U.S. Government activity |
| 211035833CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 801-6404732 FIND NO 22CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| EA24-3PXF-EUB0 | 5/9 Secondary reference Weksler Glass Thermometer Corp |
NSN 6685-01-237-1554 is a Gage,pressure,dial Indicating, manufactured by Naval Sea Systems Command, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-237-1554 has 1 manufacturer part number on file: 801-6404732-FIND NO 22 (Naval Sea Systems Command).
Key specifications for 801-6404732-FIND NO 22: Mounting Hole Quantity: 3; Scale Accuracy: PORM 1 PCT OF FULL SCALE; Scale Name: PRESSURE; Overall Diameter: 4.969 INCHES NOMINAL IN. 25 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.