The Selector,cabin Temperature, cataloged under National Stock Number 1660-01-049-5873, 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. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1660-01-049-5873 |
| Primary Part Number | 749146-3 |
| Item Name | Selector,cabin Temperature |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hamilton Sundstrand Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 749146-3 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 749146-3 PRIMARY | Hamilton Sundstrand Corporation (USA) |
| Reference | Meaning |
|---|---|
| 18-54920-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 18-54920-3 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| 18-54920-3 | 7/9 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 1660-01-049-5873 is a Selector,cabin Temperature, manufactured by Hamilton Sundstrand Corporation, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-049-5873 has 2 manufacturer part numbers on file: 749146-3 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 749146-3 (Hamilton Sundstrand Corporation).
Key specifications for 749146-3: End Item Identification: ACFT F5F U/O P/N 18-60300-1. 0 specifications are 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.