The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-697-7887, 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 Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc. Government technical data includes 21 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 | 6685-01-697-7887 |
| Primary Part Number | EA243PSFRBBO |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Indicator Type | DIAL W/POINTER |
| Overall Diameter | 4.50 INCHES NOMINAL IN |
| Mounting Connection Location | FRONT |
| Mounting Method | FLANGE |
| Scale Inscription/background Color | BLACK BACKGROUND WITH WHITE NUMBERS AND GRADUATIONS |
| Connection Type | EXTERNAL |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | CONCENTRIC ARC DIAL |
| Display Type | DIAL |
| Connection Location | BACK |
| Color | GRAY/GREY CASE |
| Surface Treatment | ENAMEL CASE |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | ALUMINUM CASE |
| Connection Quantity | 1 |
| Bezel Type | SNAP RING |
| Measurement Unit | POUNDS PER SQUARE INCH (PSI) |
| Connection Size | FLARELESS, 4 = 0.250 NPT |
| 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 |
|---|---|
| EA243PSFRBBO PRIMARY | Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc (USA) |
NSN 6685-01-697-7887 is a Gage,pressure,dial Indicating, manufactured by Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-697-7887 has 1 manufacturer part number on file: EA243PSFRBBO (Mmc Metrology Lab, Inc. Dba Mmc Metrology Lab Inc).
Key specifications for EA243PSFRBBO: Mounting Hole Quantity: 3; Indicator Type: DIAL W/POINTER; Overall Diameter: 4.50 INCHES NOMINAL IN; Mounting Connection Location: FRONT. 21 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.