The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-161-5752, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-161-5752 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | 0.2 IN. AT 3.5 IN.,0.4 IN. AT 4.5AND 10.0 IN.,3 PCT REMAINDER IN |
| Scale Name | PRESSURE |
| Overall Diameter | 3.470 INCHES NOMINAL IN |
| Actuation Type | DIAPHRAGM |
| Mounting Method | PANEL |
| Scale Inscription/background Color | BLACK FIGURES,GREEN COLOR BAND FROM 0.3 TO 3.5IN. OF WATER,BLUE COLOR BAND FROM 4.5 TO 10.0 IN. OFWATER,WHITE BACKGROUND IN |
| Scale Smallest Increment | 0.2 INCHES IN |
| Connection Type | EXTERNAL |
| Scale Range | +0.000 TO 15.000 INCHES OF WATER PRESSURE IN |
| Mounting Hole Diameter | 0.140 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2-1/2 IN. DIA IN |
| Graduation Unit | 3.0 INCHES IN |
| Bolt Circle Diameter | 3.000 INCHES NOMINAL IN |
| Connection Location | BACK, CENTER |
| Color | BLACK CASE |
| Pointer Color | BLACK |
| Surface Treatment | ENAMEL CASE |
| Unable to Decode | UNABLE TO DECODE |
| Material | STEEL CASE |
| Material | COPPER ALLOY 511 ACTUATING ELEMENT |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Connection Quantity | 1 |
| Bezel Type | CRIMP |
| Connection Size | 7/16-20 UNF-3A A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1625084-1 | 3/2 Design control — primary reference U.S. Government activity |
| 83D | 5/1 Secondary reference Liftec Inc Div Liftec, Inc. |
NSN 6685-00-161-5752 is a Gage,pressure,dial Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6685-00-802-9294. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-00-161-5752: Mounting Hole Quantity: 3; Scale Accuracy: 0.2 IN. AT 3.5 IN.,0.4 IN. AT 4.5AND 10.0 IN.,3 PCT REMAINDER IN; Scale Name: PRESSURE; Overall Diameter: 3.470 INCHES NOMINAL IN. 29 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.