The Gasket, cataloged under National Stock Number 5330-01-506-0556, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Gorman-Rupp Company Div Gorman-Rupp. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-506-0556 |
| Primary Part Number | 1679GC 20000 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Gorman-Rupp Company Div Gorman-Rupp |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.030 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-C-6183,TYII,CL1,GRB MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 8.970 INCHES MINIMUM AND 9.030 INCHES MAXIMUM IN |
| Aperture Diameter | 6.030 INCHES MINIMUM AND 6.090 INCHES MAXIMUM IN |
| Departure From Cited Document | NSU APPROVED/NAVSEA NSWCCD,4MARCH2005 |
| Bolt Hole Quantity | 12 |
| Bolt Circle Diameter | 8.090 INCHES MINIMUM AND 8.150 INCHES MAXIMUM IN |
| Material | CORK AND RUBBER SYNTHETIC OVERALL |
| Hole Diameter | 0.410 INCHES MINIMUM AND 0.470 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 |
|---|---|
| 1679GC 20000 PRIMARY | The Gorman-Rupp Company Div Gorman-Rupp (USA) |
| Reference | Meaning |
|---|---|
| 1679GC 20390 | 5/9 Secondary reference The Gorman-Rupp Company Div Gorman-Rupp |
| 93016J4103 | D/9 Drawing number reference only Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| 93016J4103 | 3/9 Design control — primary reference The Gorman-Rupp Company Div Gorman-Rupp |
NSN 5330-01-506-0556 is a Gasket, manufactured by The Gorman-Rupp Company Div Gorman-Rupp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-506-0556 has 1 manufacturer part number on file: 1679GC 20000 (The Gorman-Rupp Company Div Gorman-Rupp).
Key specifications for 1679GC 20000: Cross-Sectional Thickness: 0.030 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Material Document and Classification: MIL-C-6183,TYII,CL1,GRB 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.