The Gasket, cataloged under National Stock Number 5330-01-137-9597, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Edro Corporation, the Dba Edro Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-137-9597 |
| Primary Part Number | S1520-1509 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Edro Corporation, the Dba Edro Corp |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.063 INCHES NOMINAL IN |
| Outside Diameter | 8.750 INCHES NOMINAL IN |
| Aperture Diameter | 6.438 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 7.500 INCHES NOMINAL IN |
| Hole Diameter | 0.625 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 |
|---|---|
| S1520-1509 PRIMARY | Edro Corporation, the Dba Edro Corp (USA) |
| Reference | Meaning |
|---|---|
| 20M-1509 | 5/9 Secondary reference Edro Corporation, the Dba Edro Corp |
NSN 5330-01-137-9597 is a Gasket, manufactured by Edro Corporation, the Dba Edro Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-137-9597 has 1 manufacturer part number on file: S1520-1509 (Edro Corporation, the Dba Edro Corp).
Key specifications for S1520-1509: Cross-Sectional Thickness: 0.063 INCHES NOMINAL IN; Outside Diameter: 8.750 INCHES NOMINAL IN; Aperture Diameter: 6.438 INCHES NOMINAL IN; Bolt Hole Quantity: 4. 6 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.