The Grille,metal, cataloged under National Stock Number 1660-01-328-9179, 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 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-328-9179 |
| Item Name | Grille,metal |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Status | ACTIVE |
| Frame Overall Height | 8.718 INCHES NOMINAL IN |
| Open Area in Percent | 50.0 |
| Frame Opening Width | 0.016 INCHES NOMINAL IN |
| Shape | RECTANGULAR |
| Perforation Shape | EXPANDED-X |
| Frame Overall Width | 19.000 INCHES NOMINAL IN |
| Frame Type | CHANNEL |
| Specification/standard Data | 64583-MIL-A-8625 GOVERNMENT SPECIFICATION AND 64583-MIL-STD-130 GOVERNMENT STANDARD |
| Core Type | PERFORATED METAL |
| Material | ALUMINUM ALLOY OVERALL |
| Frame Overall Thickness | 0.506 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| GG506J1 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 4700738-001 | 7/9 Vendor item drawing reference Harris Corp Government Aerospace Systems Div |
| ZSP9-099C5-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-328-9179 is a Grille,metal, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
Key specifications for 1660-01-328-9179: Frame Overall Height: 8.718 INCHES NOMINAL IN; Open Area in Percent: 50.0; Frame Opening Width: 0.016 INCHES NOMINAL IN; Shape: RECTANGULAR. 11 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 1660-01-328-9179 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.