The Sensor,ambient Temperature, cataloged under National Stock Number 6685-01-648-8159, 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 Vaisala Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-648-8159 |
| Primary Part Number | PTB330 |
| Item Name | Sensor,ambient Temperature |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Vaisala Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| PTB330 PRIMARY | Vaisala Inc. (USA) |
| VCH115109P01 | Leonardo S.p.a Land & Naval Defence Electronics Division (ITA) |
| VCH115109P01 | Vitrociset Spa (ITA) |
| Reference | Meaning |
|---|---|
| 1205-116-003 | 5/9 Secondary reference Coastal Environmental Systems, Inc. |
| R106357-01 | 7/2 Vendor item drawing reference L3harris Technologies, Inc. Div L3harris Technologies Inc Dba Harris Corporation |
NSN 6685-01-648-8159 is a Sensor,ambient Temperature, manufactured by Vaisala Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-648-8159 has 3 manufacturer part numbers on file: PTB330 (Vaisala Inc.), VCH115109P01 (Leonardo S.p.a Land & Naval Defence Electronics Division), VCH115109P01 (Vitrociset Spa).
1 possible match (shared part number, not a government interchangeability claim): 6660-01-718-1302. Verify interchangeability with system specifications before substitution.
Key specifications for PTB330: Part Name Assigned by Controlling Agency: SENSOR,BAROMETRIC; End Item Identification: AN/FSD-3. 0 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.