The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-734-1689, 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 Ashcroft Inc Dba Heise. Government technical data includes 22 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 | 6685-01-734-1689 |
| Primary Part Number | 451017S04BXC4 200# |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Indicator Type | DIAL W/POINTER |
| Scale Marking | NUMERIC |
| Scale Name | ANY ACCEPTABLE |
| Overall Diameter | 4.5 INCHES NOMINAL IN |
| Actuation Type | ANY ACCEPTABLE |
| Mounting Connection Location | BACK, LOWER |
| Mounting Method | ANY ACCEPTABLE |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 200.0 POUNDS PER SQUARE INCH LBS |
| Illuminative Method | ANY ACCEPTABLE |
| Scale Name for Which Pointer Is Designed | ANY ACCEPTABLE |
| Pointer Type | INDICATING |
| Scale Type | ANY ACCEPTABLE |
| Display Type | DIAL |
| Dial Size | 4.5 INCHES IN |
| Connection Location | LOWER BACK |
| Color | BLACK ACTUATING ELEMENT |
| Pointer Color | BLACK |
| Material | ALUMINUM CASE |
| Connection Quantity | 1 |
| Measurement Unit | POUNDS PER SQUARE INCH (PSI) |
| Connection Size | 0.25 NPT MALE |
| 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 |
|---|---|
| 451017S04BXC4 200# PRIMARY | Ashcroft Inc Dba Heise (USA) |
NSN 6685-01-734-1689 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-734-1689 has 1 manufacturer part number on file: 451017S04BXC4 200# (Ashcroft Inc Dba Heise).
Key specifications for 451017S04BXC4 200#: Indicator Type: DIAL W/POINTER; Scale Marking: NUMERIC; Scale Name: ANY ACCEPTABLE; Overall Diameter: 4.5 INCHES NOMINAL IN. 22 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.