The Gasket, cataloged under National Stock Number 5330-01-398-1780, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Marine North America Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-398-1780 |
| Primary Part Number | 23052592-1 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rolls-Royce Marine North America Inc. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 4.250 INCHES NOMINAL IN |
| Aperture Diameter | 1.190 INCHES NOMINAL IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 3.120 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Hole Diameter | 0.620 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 23052592-1 | Rolls-Royce Corporation (USA) |
| 23052592-1 PRIMARY | Rolls-Royce Marine North America Inc. (USA) |
| Reference | Meaning |
|---|---|
| 23052592 | D/9 Drawing number reference only Rolls-Royce Corporation |
| 23052592-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-398-1780 is a Gasket, manufactured by Rolls-Royce Marine North America Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-398-1780 has 2 manufacturer part numbers on file: 23052592-1 (Rolls-Royce Corporation), 23052592-1 (Rolls-Royce Marine North America Inc.).
Key specifications for 23052592-1: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 4.250 INCHES NOMINAL IN. 9 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.