The Gage,compound Pressure-Vacuum-Te, cataloged under National Stock Number 6685-00-264-3983, 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 Johnson Controls Navy Systems, Llc. Government technical data includes 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-264-3983 |
| Primary Part Number | 26-2993PK |
| Item Name | Gage,compound Pressure-Vacuum-Te |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Scale Accuracy | 2 PCT ENTIRE RANGE; 2 PCT ENTIRE RANGE; 2 PCT ENTIRE RANGE |
| Scale Name | PRESSURE AND VACUUM AND TEMPERATURE |
| Overall Diameter | 2.750 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | RIGID STEM |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND; BLACK FIGURES ON WHITE BACKGROUND; BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 4.0 INCHES AND 5.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | -40.0 TO 300.0 DEG FAHRENHEIT AND +0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 300.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Scale Name for Which Pointer Is Designed | PRESSURE AND VACUUM AND TEMPERATURE |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | MULTIPLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2-1/2 IN. DIA IN |
| Graduation Unit | 20.0 DEGREES AND 30.0 INCHES AND 30.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BOTTOM |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL |
| Unable to Decode | UNABLE TO DECODE |
| Material | STEEL CASE |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Connection Quantity | 1 |
| 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 |
|---|---|
| 26-2993PK PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| PM45G203-290 | 5/2 Secondary reference U.S. Government activity |
| 2 1-2 3DP1-4BM30X300R12 | 5/9 Secondary reference Desco Corp Marsh Bellofram Div |
NSN 6685-00-264-3983 is a Gage,compound Pressure-Vacuum-Te, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-264-3983 has 1 manufacturer part number on file: 26-2993PK (Johnson Controls Navy Systems, Llc).
Key specifications for 26-2993PK: Scale Accuracy: 2 PCT ENTIRE RANGE; 2 PCT ENTIRE RANGE; 2 PCT ENTIRE RANGE; Scale Name: PRESSURE AND VACUUM AND TEMPERATURE; Overall Diameter: 2.750 INCHES NOMINAL IN; Actuation Type: SINGLE BOURDON TUBE. 26 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.