The Gasket, cataloged under National Stock Number 5330-01-475-1284, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-475-1284 |
| Primary Part Number | 124-4322621 PC 105 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.063 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 4.125 INCHES NOMINAL IN |
| Aperture Diameter | 2.125 INCHES NOMINAL IN |
| Elongation Percentage | 300 MAXIMUM |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 3.125 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Hole Diameter | 0.281 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 |
|---|---|
| 124-4322621 PC 105 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 124-4322623 PC 50 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5330-01-475-1284 is a Gasket, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-475-1284 has 1 manufacturer part number on file: 124-4322621 PC 105 (Naval Sea Systems Command).
Key specifications for 124-4322621 PC 105: Cross-Sectional Thickness: 0.063 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: MIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 11 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.