The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-720-2652, 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 23 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 | 6685-00-720-2652 |
| Primary Part Number | E3P3J3A1P0000 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Bristol Babcock Inc Helicoid Instruments Div |
| Status | ACTIVE |
| Scale Accuracy | 1/2 OF 1 PCT ENTIRE RANGE |
| Scale Name | PRESSURE |
| Overall Diameter | 4.125 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | CLAMP |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 25.0 POUNDS LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 4000.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 3-1/2 IN. DIA IN |
| Graduation Unit | 400.0 POUNDS LBS |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Material | ALUMINUM ALLOY CASE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | STEEL ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Bezel Type | SNAP-ON |
| Connection Size | 0.500 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 |
|---|---|
| 9081805 | Us Army Aviation and Missile Command (USA) |
| E3P3J3A1P0000 PRIMARY | Bristol Babcock Inc Helicoid Instruments Div (USA) |
NSN 6685-00-720-2652 is a Gage,pressure,dial Indicating, manufactured by Bristol Babcock Inc Helicoid Instruments Div, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-720-2652 has 2 manufacturer part numbers on file: 9081805 (Us Army Aviation and Missile Command), E3P3J3A1P0000 (Bristol Babcock Inc Helicoid Instruments Div).
Key specifications for E3P3J3A1P0000: Scale Accuracy: 1/2 OF 1 PCT ENTIRE RANGE; Scale Name: PRESSURE; Overall Diameter: 4.125 INCHES NOMINAL IN; Actuation Type: SINGLE BOURDON TUBE. 23 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.