The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-110-5652, 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 Astra Associates Inc. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-110-5652 |
| Primary Part Number | 120SA-00-0-AA |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Astra Associates Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Scale Name | DIFFERENTIAL PRESSURE |
| Actuation Type | PISTON |
| Mounting Method | PANEL AND BRACKET(S) |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Scale Smallest Increment | 0.5 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | INTERNAL |
| Scale Range | +0.0 TO 30.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Mounting Hole Diameter | 3.000 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2-1/2 IN. DIA. IN |
| Graduation Unit | 2.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 3.500 INCHES NOMINAL IN |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Unable to Decode | UNABLE TO DECODE |
| Material | PLASTIC CASE |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Connection Quantity | 2 |
| Bezel Type | SLIPS-ON |
| Connection Size | 0.250 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 |
|---|---|
| 120SA-00-0-AA PRIMARY | Astra Associates Inc (USA) |
| 120SA-00-AA | Astra Associates Inc (USA) |
NSN 6685-01-110-5652 is a Gage,differential,dial Indicatin, manufactured by Astra Associates Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-110-5652 has 2 manufacturer part numbers on file: 120SA-00-0-AA (Astra Associates Inc), 120SA-00-AA (Astra Associates Inc).
Key specifications for 120SA-00-0-AA: Mounting Hole Quantity: 4; Overall Height: 3.290 INCHES NOMINAL IN; Scale Name: DIFFERENTIAL PRESSURE; Actuation Type: PISTON. 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.