The Indicator,humidity,plug, cataloged under National Stock Number 6685-01-669-4838, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-669-4838 |
| Item Name | Indicator,humidity,plug |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | ITEM IS FAA CERTIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 082-006427-0001 | 3/1 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| BL/D9398 | 5/1 Secondary reference Brownell Ltd |
NSN 6685-01-669-4838 is a Indicator,humidity,plug, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-669-4838: End Item Identification: KC-46 AIRCRAFT; Reference Number Differentiating Characteristics: ITEM IS FAA CERTIFIED. 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.