The Indicator,auxiliary Power Unit, cataloged under National Stock Number 6685-01-016-4547, 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 Ontic Engineering and Manufacturing, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-016-4547 |
| Primary Part Number | 152LV22A |
| Item Name | Indicator,auxiliary Power Unit |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ontic Engineering and Manufacturing, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | 4.353 IN. LG,2.000 IN. DIA,TEMPERATURE RANGE 0.0 DEG C TO 800.0 DEG C,WHITE LIGHTED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 152LV22A PRIMARY | Ontic Engineering and Manufacturing, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 152LV22A | 3/9 Design control — primary reference Horizon Aerospace Llc Dba Magnetics Division |
NSN 6685-01-016-4547 is a Indicator,auxiliary Power Unit, manufactured by Ontic Engineering and Manufacturing, Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-016-4547 has 1 manufacturer part number on file: 152LV22A (Ontic Engineering and Manufacturing, Inc.).
Key specifications for 152LV22A: General Characteristics Item Description: 4.353 IN. LG,2.000 IN. DIA,TEMPERATURE RANGE 0.0 DEG C TO 800.0 DEG C,WHITE LIGHTED IN; End Item Identification: AIRCRAFT,THUNDERBOLT-2 A-10 A. 1 specification is 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.
NSN 6685-01-016-4547 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.