The Sleeve,threaded,transducer, cataloged under National Stock Number 1660-00-084-8664, 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 Rtx Corporation Div Pratt & Whitney. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1660-00-084-8664 |
| Primary Part Number | 27227887 |
| Item Name | Sleeve,threaded,transducer |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| FSC Application Data | ACFT AIR TO AIR HEAT EXCHANGER INSTALLATION |
| General Characteristics Item Description | 0.312 IN. LG,0.093 IN. ID,LARGE OD THREADED 1/4-28NF-3A,SMALL OD 0.187 IN. 303 SST PER QQ-S-764 A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 27227887 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 27227887 | 5/9 Secondary reference U.S. Government activity |
NSN 1660-00-084-8664 is a Sleeve,threaded,transducer, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-084-8664 has 1 manufacturer part number on file: 27227887 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 27227887: FSC Application Data: ACFT AIR TO AIR HEAT EXCHANGER INSTALLATION; General Characteristics Item Description: 0.312 IN. LG,0.093 IN. ID,LARGE OD THREADED 1/4-28NF-3A,SMALL OD 0.187 IN. 303 SST PER QQ-S-764 A. 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 1660-00-084-8664 has DEMIL Code B. 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.