The Gage,compound Pressure-Vacuum-Te, cataloged under National Stock Number 6685-01-550-4898, 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 Greenheck Fan Corporation Dba Greenheck Fan Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-550-4898 |
| Primary Part Number | 463959 |
| Item Name | Gage,compound Pressure-Vacuum-Te |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Greenheck Fan Corporation Dba Greenheck Fan Corp |
| 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 |
|---|---|
| 463959 PRIMARY | Greenheck Fan Corporation Dba Greenheck Fan Corp (USA) |
| Reference | Meaning |
|---|---|
| HD11C3B52I24L | 5/9 Secondary reference Enfm-Usa Inc |
| 00457585 | 5/9 Secondary reference Greenheck Fan Corporation Dba Greenheck Fan Corp |
| 457585 | 5/9 Secondary reference Greenheck Fan Corporation Dba Greenheck Fan Corp |
| 4104HD113B52124L | 5/9 Secondary reference Enfm-Usa Inc |
NSN 6685-01-550-4898 is a Gage,compound Pressure-Vacuum-Te, manufactured by Greenheck Fan Corporation Dba Greenheck Fan Corp, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-550-4898 has 1 manufacturer part number on file: 463959 (Greenheck Fan Corporation Dba Greenheck Fan Corp).
Key specifications for 463959: Part Name Assigned by Controlling Agency: INAVY-GAUGE, TEMP-PRESSURE; End Item Identification: PANEL, CONTROL. 0 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.