The Indicator,humidity,plug, cataloged under National Stock Number 6685-01-438-1434, 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 Corp Div Sporlan Division. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-438-1434 |
| Primary Part Number | AC-20 |
| Item Name | Indicator,humidity,plug |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| Status | ACTIVE |
| Width Across Flats | 1.375 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN |
| Style Designator | PLUG |
| Surface Treatment | COPPER AND PAINT |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 6685-01-438-1434 is a Indicator,humidity,plug, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-438-1434 has 2 manufacturer part numbers on file: AC-20 (Auriema Ltd), AC-20 (Parker-Hannifin Corp Div Sporlan Division).
Key specifications for AC-20: Width Across Flats: 1.375 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN; Style Designator: PLUG; Surface Treatment: COPPER AND PAINT; Material: STEEL. 4 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.