The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-169-7741, 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 Nederlandse Slijpsteen Industrie De Maas B.v.. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-169-7741 |
| Primary Part Number | S16-606-56 |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Nederlandse Slijpsteen Industrie De Maas B.v. |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | 2 PCT ACCURACY R ATING ENTIRE RANGE |
| Scale Name | DIFFERENTIAL PRESSURE |
| Overall Diameter | 4.750 INCHES NOMINAL IN |
| Actuation Type | DIAPHRAGM |
| Mounting Connection Location | BACK, CENTER |
| Mounting Method | SURFACE OR FLUSH |
| Scale Inscription/background Color | BLACK MARKING ON WHITE BACKGROUND |
| Scale Smallest Increment | 0.2 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | INTERNAL |
| Scale Range | +0.0 TO 10.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4 IN. DIA IN |
| Graduation Unit | 2.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 4.125 INCHES NOMINAL IN |
| Connection Location | BACK AND SIDE |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL CASE |
| Surface Treatment | ENAMEL LOCATION NOT OTHERWISE SPECIFIED |
| Material | RUBBER SILICONE CLASS Q ACTUATING ELEMENT |
| Material | ALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM CASE |
| Connection Quantity | 4 |
| 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 |
|---|---|
| S16-606-56 | Nederlandse Slijpsteen Industrie De Maas B.v. (NLD) |
| Reference | Meaning |
|---|---|
| 2210 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6685-01-169-7741 is a Gage,differential,dial Indicatin, manufactured by Nederlandse Slijpsteen Industrie De Maas B.v., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-169-7741 has 1 manufacturer part number on file: S16-606-56 (Nederlandse Slijpsteen Industrie De Maas B.v.).
Key specifications for S16-606-56: Mounting Hole Quantity: 3; Scale Accuracy: 2 PCT ACCURACY R ATING ENTIRE RANGE; Scale Name: DIFFERENTIAL PRESSURE; Overall Diameter: 4.750 INCHES NOMINAL IN. 29 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.