The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-407-5494, 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 Griffith Industrial Products Co Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-407-5494 |
| Primary Part Number | 4904QCA1/RH |
| Item Name | Gage,compound Pressure-Vacuum,di |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Griffith Industrial Products Co Inc |
| Status | ACTIVE |
| Scale Range | +0.0 TO 30.0 INCHES AND +0.0 TO 15.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| 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 |
|---|---|
| 4904QCA1/RH PRIMARY | Griffith Industrial Products Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 4-1/2-146Q-15PSI-1/2NPT-BACK | 5/1 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| 4164QPC1 RED HAND 7HG | 5/1 Secondary reference Griffith Industrial Products Co Inc |
| 9101-0037-401 | 5/1 Secondary reference U.S. Government activity |
NSN 6685-01-407-5494 is a Gage,compound Pressure-Vacuum,di, manufactured by Griffith Industrial Products Co Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-407-5494 has 1 manufacturer part number on file: 4904QCA1/RH (Griffith Industrial Products Co Inc).
Key specifications for 4904QCA1/RH: Scale Range: +0.0 TO 30.0 INCHES AND +0.0 TO 15.0 POUNDS PRESSURE PER SQUARE INCH LBS; Special Features: NOT FOR SHIPBOARD USE. 1 specification is 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.