The Indicator,temperature,thermocoup, cataloged under National Stock Number 6685-00-181-2213, 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 Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Indicator,temperature,thermocoup |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | Phaostron Instrument and Electronic Company (CAGE 77221); Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (CAGE 50027) |
| Parameter | Value |
|---|---|
| NSN | 6685-00-181-2213 |
| Primary Part Number | 152C2D |
| Item Name | Indicator,temperature,thermocoup |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| 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 |
|---|---|
| 1528-20024 | Phaostron Instrument and Electronic Company (USA) |
| 152C2D PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
| Reference | Meaning |
|---|---|
| 206-070-267-9 | 7/2 Vendor item drawing reference U.S. Government activity |
| 152C2D | 5/9 Secondary reference Horizon Aerospace Llc Dba Magnetics Division |
NSN 6685-00-181-2213 is a Indicator,temperature,thermocoup, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-181-2213 has 2 manufacturer part numbers on file: 1528-20024 (Phaostron Instrument and Electronic Company), 152C2D (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
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.