The Indicator,humidity,plug, cataloged under National Stock Number 6685-01-005-4528, 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 Clariant Corp Div Clariant Corporation. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-005-4528 |
| Primary Part Number | 25483628262 |
| Item Name | Indicator,humidity,plug |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Clariant Corp Div Clariant Corporation |
| Status | ACTIVE |
| Width Across Flats | 1.250 INCHES NOMINAL IN |
| Desiccant Spot Humidity Percentage | 10.0 AND 20.0 AND 30.0 |
| End Connection Type | THREADED EXTERNAL, GASKET SEAL SINGLE END |
| Style Designator | PLUG |
| Features Provided | REUSABLE AND SAFETY WIRE HOLE |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 1.000 INCHES SINGLE END IN |
| Thread Quantity Per Inch | 14 SINGLE END |
| Material | ALUMINUM ALLOY |
| Thread Series Designator | UNF SINGLE END |
| 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 |
|---|---|
| 990C008H01 | Northrop Grumman Systems Corporation Dba Electronic Systems (USA) |
| 25483628262 PRIMARY | Clariant Corp Div Clariant Corporation (USA) |
| Reference | Meaning |
|---|---|
| 680300 | 5/9 Secondary reference Clariant Corp Div Clariant Corporation |
NSN 6685-01-005-4528 is a Indicator,humidity,plug, manufactured by Clariant Corp Div Clariant Corporation, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-005-4528 has 2 manufacturer part numbers on file: 990C008H01 (Northrop Grumman Systems Corporation Dba Electronic Systems), 25483628262 (Clariant Corp Div Clariant Corporation).
Key specifications for 25483628262: Overall Height: 1.800 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN; Width Across Flats: 1.250 INCHES NOMINAL IN; Desiccant Spot Humidity Percentage: 10.0 AND 20.0 AND 30.0; End Connection Type: THREADED EXTERNAL, GASKET SEAL SINGLE END. 10 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.