The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-335-4471, 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 Stewart-Warner Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | Stewart-Warner Corporation (CAGE 57733); Daimler Truck North America Llc (CAGE 64678) |
| Parameter | Value |
|---|---|
| NSN | 6685-01-335-4471 |
| Primary Part Number | 490-ZY |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Stewart-Warner Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 490-ZY PRIMARY | Stewart-Warner Corporation (USA) |
| AMA/162315 | Daimler Truck North America Llc (USA) |
| Reference | Meaning |
|---|---|
| 162315 | 5/9 Secondary reference Ametek, Inc. Div Aerospace & Defense |
| 490-ZY | 5/9 Secondary reference Daimler Truck North America Llc |
NSN 6685-01-335-4471 is a Gage,pressure,dial Indicating, manufactured by Stewart-Warner Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-335-4471 has 2 manufacturer part numbers on file: 490-ZY (Stewart-Warner Corporation), AMA/162315 (Daimler Truck North America Llc).
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.