The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-581-5656, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 28 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 | 6685-00-581-5656 |
| Primary Part Number | 1325481 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | 1/2 PERCENT ENTIRE RANGE |
| Scale Name | PRESSURE |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | FLUSH |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 100.000 POUNDS LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.000 TO 5000.000 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Scale Name for Which Pointer Is Designed | PRESSURE |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE OR ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Nondefinitive Spec/std Data | 1 POLISHED |
| Dial Size | 3-1/2 DIA |
| Graduation Unit | 500.000 POUNDS LBS |
| Bolt Circle Diameter | 4.313 INCHES NOMINAL IN |
| Connection Location | LOWER |
| Pointer Color | BLACK AND RED |
| Unable to Decode | UNABLE TO DECODE |
| Material | BRASS CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | STEEL ACTUATING ELEMENT |
| Usage Design | FOR USE W/HYDRAULIC OIL |
| Connection Quantity | 1 |
| Bezel Type | THREAD |
| 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 |
|---|---|
| 1325481 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 6685-00-581-5656 is a Gage,pressure,dial Indicating, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-581-5656 has 1 manufacturer part number on file: 1325481 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1325481: Mounting Hole Quantity: 3; Overall Height: 6.125 INCHES NOMINAL IN; Scale Accuracy: 1/2 PERCENT ENTIRE RANGE; Scale Name: PRESSURE. 28 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.