The Sensor,air Duct Temperature, cataloged under National Stock Number 1660-00-583-7058, 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 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-583-7058 |
| Primary Part Number | AYLF50681 |
| Item Name | Sensor,air Duct Temperature |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
| Status | ACTIVE |
| FSC Application Data | ACFT AIR CONDITIONING SYSTEM |
| General Characteristics Item Description | 5.29 IN. MIN,5.41 IN. MAX LG,1.13 IN. MIN,1.25 IN.MAX W,1.13 IN. MIN,1.25 IN. MAX H IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AYLF50681 | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
| 697639-25 | Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc (USA) |
| 697639-25 | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms) (USA) |
| 697639-25 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| Reference | Meaning |
|---|---|
| 27231292 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 27231292 | 5/2 Secondary reference U.S. Government activity |
| 697639-25 | 3/2 Design control — primary reference U.S. Government activity |
| 27231292 | 5/9 Secondary reference Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| 697639 | 1/2 Source control — Government-approved source U.S. Government activity |
| 1660PL2178430 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 27231292 | 5/2 Secondary reference U.S. Government activity |
NSN 1660-00-583-7058 is a Sensor,air Duct Temperature, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-583-7058 has 4 manufacturer part numbers on file: AYLF50681 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), 697639-25 (Lockheed Martin Aeroparts, Inc. Dba Lockheed Martin Aeroparts Inc), 697639-25 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (rms)), 697639-25 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-192-5310. Verify interchangeability with system specifications before substitution.
Key specifications for AYLF50681: FSC Application Data: ACFT AIR CONDITIONING SYSTEM; General Characteristics Item Description: 5.29 IN. MIN,5.41 IN. MAX LG,1.13 IN. MIN,1.25 IN.MAX W,1.13 IN. MIN,1.25 IN. MAX H 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.
NSN 1660-00-583-7058 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.