The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-263-8451, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-263-8451 |
| Primary Part Number | 6145887 |
| 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 1/2 OF 1 PCT FULL RANGE |
| Scale Name | PRESSURE |
| Overall Diameter | 8.000 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | FLUSH |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Scale Smallest Increment | 50.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 5000.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 6 IN. DIA IN |
| Graduation Unit | 500.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 6.609 INCHES NOMINAL IN |
| Connection Location | BACK, LOWER |
| Pointer Color | BLACK |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | STEEL CORROSION RESISTING CASE |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 0.500 IN. NPT DIA IN |
| 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 |
|---|---|
| 6145887 PRIMARY | Naval Sea Systems Command (USA) |
NSN 6685-01-263-8451 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 6685-01-263-8451 has 1 manufacturer part number on file: 6145887 (Naval Sea Systems Command).
Key specifications for 6145887: Mounting Hole Quantity: 3; Scale Accuracy: PORM 1/2 OF 1 PCT FULL RANGE; Scale Name: PRESSURE; Overall Diameter: 8.000 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.