The Gasket, cataloged under National Stock Number 5330-01-439-0759, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-439-0759 |
| Primary Part Number | 566581 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.030 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-R-3065 TYPE S, CLASS SC, GRADE 410 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 3.500 INCHES NOMINAL IN |
| Aperture Diameter | 2.820 INCHES NOMINAL IN |
| Bolt Hole Quantity | 3 |
| Bolt Circle Diameter | 3.156 INCHES MINIMUM AND 3.166 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Hole Diameter | 0.165 INCHES MINIMUM AND 0.171 INCHES MAXIMUM 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 |
|---|---|
| 566581 | Raytheon Company (USA) |
| 566581-1 | Raytheon Company Dba Raytheon Co (USA) |
| 566581 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| 566581-1 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 566581 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5330-01-439-0759 is a Gasket, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-439-0759 has 4 manufacturer part numbers on file: 566581 (Raytheon Company), 566581-1 (Raytheon Company Dba Raytheon Co), 566581 (Raytheon Company Dba Raytheon Co), 566581-1 (Raytheon Company).
Key specifications for 566581: Cross-Sectional Thickness: 0.030 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: MIL-R-3065 TYPE S, CLASS SC, GRADE 410 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 10 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.