The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-486-7732, 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 General Electric Co. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-486-7732 |
| Primary Part Number | 1721M34P01 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | General Electric Co |
| Status | ACTIVE |
| Scale Name | VACUUM |
| Actuation Type | BOURDON TUBE |
| Mounting Method | PANEL |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 INCHES OF VACUUM IN |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | PROVIDED |
| Dial Size | 6IN IN |
| Connection Location | BACK |
| Pointer Color | ANY ACCEPTABLE |
| Material | GLASS PROTECTIVE CRYSTAL |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 0.250MNPT |
| 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 |
|---|---|
| 1721M34P01 PRIMARY | General Electric Co (USA) |
| 60-1377S02B0/30IMV | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 60-1377S02B0/30 | 5/9 Secondary reference Ashcroft Inc Dba Heise |
| 1721M34 | D/9 Drawing number reference only General Electric Co |
NSN 6685-01-486-7732 is a Gage,pressure,dial Indicating, manufactured by General Electric Co, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-486-7732 has 2 manufacturer part numbers on file: 1721M34P01 (General Electric Co), 60-1377S02B0/30IMV (Ashcroft Inc Dba Heise).
Key specifications for 1721M34P01: Scale Name: VACUUM; Actuation Type: BOURDON TUBE; Mounting Method: PANEL; Connection Type: EXTERNAL. 16 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.