The Ring,aircraft,mater, cataloged under National Stock Number 5330-01-545-1311, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-545-1311 |
| Item Name | Ring,aircraft,mater |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Overall Diameter | 3.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 209669 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-545-1311 is a Ring,aircraft,mater, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-545-1311: Overall Diameter: 3.000 INCHES NOMINAL IN; Overall Width: 0.180 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Special Features: NEXT HIGHER ASSEMBLY IS VALVE ASSEMBLY,MANI; Part Name Assigned by Controlling Agency: RING,DIAPHRAGM. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.