The Selector,temperature, cataloged under National Stock Number 1660-00-583-7151, 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 Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-583-7151 |
| Primary Part Number | 27221345 |
| Item Name | Selector,temperature |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| FSC Application Data | ACFT AIR CONDITIONING SYSTEM |
| General Characteristics Item Description | 3.175 IN. LG,1.875 IN. 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 |
|---|---|
| 27221345 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| BYLZ50680 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
| 697639-19 | Aero International, Llc Dba Ams Engineered Solutions (USA) |
| Reference | Meaning |
|---|---|
| 697639-19 | 3/2 Design control — primary reference U.S. Government activity |
| 697639-19 | 1/2 Source control — Government-approved source U.S. Government activity |
| 27221345 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 27221345 | 5/2 Secondary reference U.S. Government activity |
| 1660PL2073337 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 1660-00-583-7151 is a Selector,temperature, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-583-7151 has 3 manufacturer part numbers on file: 27221345 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), BYLZ50680 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), 697639-19 (Aero International, Llc Dba Ams Engineered Solutions).
Key specifications for 27221345: FSC Application Data: ACFT AIR CONDITIONING SYSTEM; General Characteristics Item Description: 3.175 IN. LG,1.875 IN. DIA IN; End Item Identification: C130H ACFT. 2 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.