The Indicator,humidity,plug, cataloged under National Stock Number 6685-01-052-9537, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-052-9537 |
| Primary Part Number | 3016667 |
| Item Name | Indicator,humidity,plug |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Desiccant Spot Humidity Percentage | 20.0 AND 30.0 AND 40.0 AND 50.0 |
| Surface Treatment Document and Classification | MIL-A-8625 BLACK MIL SPEC SINGLE TREATMENT RESPONSE |
| Overall Diameter | 1.844 INCHES MAXIMUM IN |
| End Connection Type | THREADED EXTERNAL, PLAIN SINGLE END |
| Style Designator | PLUG |
| Material Document and Classification | QQ-A-225/5 FED SPEC 1ST MATERIAL RESPONSE AND RR-W-360A TYPE 1,CLASS 1 FED SPEC 2ND MATERIAL RESPONSE AND MIL-C-7989 CLASS C MIL SPEC 3RD MATERIAL RESPONSE A |
| Features Provided | LOCKNUT AND REFILLABLE |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 1.438 INCHES SINGLE END IN |
| Surface Treatment | ANODIZE |
| Thread Class | 2A SINGLE END A |
| Material | ALUMINUM ALLOY AND COPPER ALLOY AND GLASS |
| Thread Series Designator | UNEF 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 |
|---|---|
| 3016667 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 6685-01-052-9537 is a Indicator,humidity,plug, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-052-9537 has 1 manufacturer part number on file: 3016667 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 3016667: Overall Height: 0.656 INCHES MINIMUM AND 0.718 INCHES MAXIMUM IN; Desiccant Spot Humidity Percentage: 20.0 AND 30.0 AND 40.0 AND 50.0; Surface Treatment Document and Classification: MIL-A-8625 BLACK MIL SPEC SINGLE TREATMENT RESPONSE; Overall Diameter: 1.844 INCHES MAXIMUM IN. 13 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.