The Indicator,humidity,plug, cataloged under National Stock Number 6685-00-001-6322, 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 8 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-001-6322 |
| Primary Part Number | 3497 |
| 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 |
| Nominal Pipe Size for Which Designed | 18.0 MILLIMETERS SINGLE END MM |
| Desiccant Spot Humidity Percentage | 20.0 |
| Minimum Desiccant Capacity | 3.0 GRAMS G |
| Style Designator | PLUG |
| Material Document and Classification | QQ-A-225/5 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND SINGLE END |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 3497 PRIMARY | Clariant Corp Div Clariant Corporation (USA) |
| 5800583-090044.004 | Hensoldt Sensors Gmbh (DEU) |
| BOF916765 | Saab Australia Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 680000 | 5/1 Secondary reference Clariant Corp Div Clariant Corporation |
NSN 6685-00-001-6322 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 6685-00-001-6322 has 3 manufacturer part numbers on file: 3497 (Clariant Corp Div Clariant Corporation), 5800583-090044.004 (Hensoldt Sensors Gmbh), BOF916765 (Saab Australia Pty Ltd).
8 possible matches (shared part number, not a government interchangeability claim): 5945-00-067-7924, 5340-00-086-9707, 5915-00-643-8318. Verify interchangeability with system specifications before substitution.
Key specifications for 3497: Overall Height: 1.063 INCHES NOMINAL IN; Nominal Pipe Size for Which Designed: 18.0 MILLIMETERS SINGLE END MM; Desiccant Spot Humidity Percentage: 20.0; Minimum Desiccant Capacity: 3.0 GRAMS G. 8 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.