The Grille,metal, cataloged under National Stock Number 1660-01-323-5003, 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 The Boeing Company. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-323-5003 |
| Primary Part Number | 7-311113690-55 |
| Item Name | Grille,metal |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Shape | ROUND |
| Frame Type | PLATE |
| Frame Overall Diameter | 7.000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7-311113690-55 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-311113690-55 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 7-311113690-55 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 1660-01-323-5003 is a Grille,metal, manufactured by The Boeing Company, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-323-5003 has 1 manufacturer part number on file: 7-311113690-55 (The Boeing Company).
Key specifications for 7-311113690-55: Shape: ROUND; Frame Type: PLATE; Frame Overall Diameter: 7.000 INCHES NOMINAL IN; Material: STEEL OVERALL. 4 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 1660-01-323-5003 has DEMIL Code D. 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.