The Switch,overtemperature Compresso, cataloged under National Stock Number 1660-01-007-3770, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-007-3770 |
| Primary Part Number | 724425-2 |
| Item Name | Switch,overtemperature Compresso |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | 3.500 IN. LG,1.000 IN. HEX,0.650 IN. SENSING SURFACE DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 724425-2 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 204-13027-9 | 3/9 Design control — primary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
| 204-13027-9 | 5/2 Secondary reference U.S. Government activity |
| 975-0200-010 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-007-3770 is a Switch,overtemperature Compresso, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-007-3770 has 1 manufacturer part number on file: 724425-2 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 724425-2: General Characteristics Item Description: 3.500 IN. LG,1.000 IN. HEX,0.650 IN. SENSING SURFACE DIA IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.