The Indicator,pressure, cataloged under National Stock Number 6685-01-620-4780, 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 Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Indicator,pressure |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (CAGE 59211); Porvair Filtration Group Limited Div Porvair Filtration Group - Segensworth (CAGE KE550) |
| Parameter | Value |
|---|---|
| NSN | 6685-01-620-4780 |
| Primary Part Number | 377398-1031 |
| Item Name | Indicator,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 377398-1031 PRIMARY | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA) |
| M081714 | Porvair Filtration Group Limited Div Porvair Filtration Group - Segensworth (GBR) |
| Reference | Meaning |
|---|---|
| 377398-1031 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 6685-01-620-4780 is a Indicator,pressure, manufactured by Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-620-4780 has 2 manufacturer part numbers on file: 377398-1031 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations), M081714 (Porvair Filtration Group Limited Div Porvair Filtration Group - Segensworth).
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.