The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-01-528-6180, 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 Ftg Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-528-6180 |
| Primary Part Number | RK 18-1104 |
| Item Name | Gage,compound Pressure-Vacuum,di |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ftg Inc |
| Status | ACTIVE |
| Scale Name | PRESSURE-VACUUM |
| Scale Type | DIAL |
| 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 |
|---|---|
| RK 18-1104 PRIMARY | Ftg Inc (USA) |
| Reference | Meaning |
|---|---|
| 18-1104 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Racor Division Div Racor Division |
| RK 18-1104 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Racor Division Div Racor Division |
NSN 6685-01-528-6180 is a Gage,compound Pressure-Vacuum,di, manufactured by Ftg Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-528-6180 has 1 manufacturer part number on file: RK 18-1104 (Ftg Inc).
Key specifications for RK 18-1104: Scale Name: PRESSURE-VACUUM; Scale Type: DIAL; Special Features: PART OF 800D-20 FUEL FILTER/WATER SEPARATOR; End Item Identification: NSN 1925-01-509-7013 TUGBOAT. 2 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.