The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-211-4716, 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 Bristol Babcock Inc Helicoid Instruments Div. Government technical data includes 25 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 | 6685-01-211-4716 |
| Primary Part Number | J4L3P100BD000 |
| Item Name | Gage,compound Pressure-Vacuum,di |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Bristol Babcock Inc Helicoid Instruments Div |
| Status | ACTIVE |
| Scale Accuracy | PORM 1/2 PCT FULL SCALE |
| Scale Name | PRESSURE-VACUUM |
| Overall Diameter | 5.938 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Method | FLUSH |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Scale Smallest Increment | 0.5 INCHES AND 0.2 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 INCHES AND +0.0 TO 15.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Stud Location | BACK |
| Stud Quantity | 3 |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 4-1/2 IN. DIA IN |
| Graduation Unit | 10.0 INCHES AND 5.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 5.375 INCHES NOMINAL IN |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Material | PLASTIC CASE |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Connection Quantity | 1 |
| 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 |
|---|---|
| J4L3P100BD000 PRIMARY | Bristol Babcock Inc Helicoid Instruments Div (USA) |
NSN 6685-01-211-4716 is a Gage,compound Pressure-Vacuum,di, manufactured by Bristol Babcock Inc Helicoid Instruments Div, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-211-4716 has 1 manufacturer part number on file: J4L3P100BD000 (Bristol Babcock Inc Helicoid Instruments Div).
Key specifications for J4L3P100BD000: Scale Accuracy: PORM 1/2 PCT FULL SCALE; Scale Name: PRESSURE-VACUUM; Overall Diameter: 5.938 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE. 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.