The Insert,diffuser, cataloged under National Stock Number 1660-01-284-9936, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-284-9936 |
| Item Name | Insert,diffuser |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| FSC Application Data | ECU SYSTEM,F-16A AIRCRAFT A |
| General Characteristics Item Description | CABIN AFT; 7.420 IN. LONG; 4.150 IN. WIDE; 3.020 IN. DEEP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 16Y4022-4 | 5/9 Secondary reference Arrowhead Products Corp |
| 16Y4022-4 | 5/9 Secondary reference Aerospace & Commercial Technologies, Llc Dba Aerospace & Commercial Technologies Llc |
| 16Y4022-4 | 3/2 Design control — primary reference U.S. Government activity |
| 16Y4022-4 | 5/9 Secondary reference U.S. Government activity |
| 16Y4022-4 | 5/9 Secondary reference Coating Specialties, Inc Dba Aero Products Co |
NSN 1660-01-284-9936 is a Insert,diffuser, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-01-284-9936: FSC Application Data: ECU SYSTEM,F-16A AIRCRAFT A; General Characteristics Item Description: CABIN AFT; 7.420 IN. LONG; 4.150 IN. WIDE; 3.020 IN. DEEP IN. 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.