The Gasket, cataloged under National Stock Number 5330-01-516-2970, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Appleton Marine Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-516-2970 |
| Primary Part Number | 6304516-15 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| FSC Application Data | ENGINE EXHAUST FLANGE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | GRAFOIL FLEXIBLE GRAPHITE MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Diameter | 2.375 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 2.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 2.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.437 INCHES NOMINAL IN |
| Outside Corner Radius | 0.250 INCHES NOMINAL IN |
| Material | GRAPHITE OVERALL |
| Hole Diameter | 0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.437 INCHES NOMINAL 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 |
|---|---|
| 6304516-15 | Appleton Marine Inc (USA) |
| Reference | Meaning |
|---|---|
| 6304516-15 | 3/2 Design control — primary reference U.S. Government activity |
| GARFOIL 1/8X3.5X3.5IN | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 5330-01-516-2970 is a Gasket, manufactured by Appleton Marine Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-516-2970 has 1 manufacturer part number on file: 6304516-15 (Appleton Marine Inc).
Key specifications for 6304516-15: FSC Application Data: ENGINE EXHAUST FLANGE; Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Material Document and Classification: GRAFOIL FLEXIBLE GRAPHITE MFR REF SINGLE MATERIAL RESPONSE OVERALL. 14 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.