The Deflector,dirt and Liquid, cataloged under National Stock Number 1660-00-522-5940, 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 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-522-5940 |
| Primary Part Number | 511611 |
| Item Name | Deflector,dirt and Liquid |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Center Flange Thickness | 0.020 INCHES NOMINAL IN |
| FSC Application Data | TURBINE,ACFT COOLING |
| End to Flange Distance | 0.070 INCHES NOMINAL IN |
| Style Designator | ROUND, STEPPED BOTH SIDES |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN |
| Material Thickness | 0.012 INCHES NOMINAL IN |
| Inside Diameter | 0.395 INCHES MINIMUM AND 0.397 INCHES MAXIMUM IN |
| Step Diameter | 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C |
| 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 |
|---|---|
| 511611 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 1660-00-522-5940 is a Deflector,dirt and Liquid, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-00-522-5940 has 1 manufacturer part number on file: 511611 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 511611: Center Flange Thickness: 0.020 INCHES NOMINAL IN; FSC Application Data: TURBINE,ACFT COOLING; End to Flange Distance: 0.070 INCHES NOMINAL IN; Style Designator: ROUND, STEPPED BOTH SIDES. 10 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.