The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-649-9515, 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 Mcdaniel Control Inc. Government technical data includes 13 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 | 6685-01-649-9515 |
| Primary Part Number | GK |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Mcdaniel Control Inc |
| Status | ACTIVE |
| Scale Accuracy | 1/2% FULL SCALE ASME B40.1 GRADE 2A A |
| Scale Name | POUNDS PRESSURE |
| Overall Diameter | 4.41 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Connection Type | EXTERNAL |
| Pointer Type | INDICATING |
| Dial Size | 4 INCH IN |
| Graduation Unit | 0.0 POUNDS PER SQUARE INCH AND 300.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BOTTOM |
| Pointer Color | BLACK |
| Material | STEEL CORROSION RESISTING AND STEEL COMP 316 LOCATION NOT OTHERWISE SPECIFIED |
| Connection Quantity | 1 |
| Connection Size | 0.5 INCH NPT 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 |
|---|---|
| GK PRIMARY | Mcdaniel Control Inc (USA) |
NSN 6685-01-649-9515 is a Gage,differential,dial Indicatin, manufactured by Mcdaniel Control Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-649-9515 has 1 manufacturer part number on file: GK (Mcdaniel Control Inc).
Key specifications for GK: Scale Accuracy: 1/2% FULL SCALE ASME B40.1 GRADE 2A A; Scale Name: POUNDS PRESSURE; Overall Diameter: 4.41 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE. 13 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.