The Gasket, cataloged under National Stock Number 5330-01-437-6998, 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 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-437-6998 |
| Primary Part Number | 6181538-002 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Temp Rating | -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF |
| Cross-Sectional Thickness | 0.093 INCHES NOMINAL IN |
| Inside Corner Radius | 0.020 INCHES NOMINAL IN |
| Hardness Rating | 60.0 SHORE DUROMETER A NOMINAL OVERALL |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | AMS 3302 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 8.450 INCHES NOMINAL IN |
| Outside Corner Bevel Length Along Width | 0.125 INCHES NOMINAL IN |
| Aperture Length | 8.950 INCHES NOMINAL IN |
| Outside Corner Bevel Length Along Length | 0.125 INCHES NOMINAL IN |
| Bolt Hole Quantity | 14 |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| Hole Diameter | 0.437 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 |
|---|---|
| 6181538-002 PRIMARY | Naval Sea Systems Command (USA) |
| 6181538-002 | Klune Industries Inc (USA) |
NSN 5330-01-437-6998 is a Gasket, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-437-6998 has 2 manufacturer part numbers on file: 6181538-002 (Naval Sea Systems Command), 6181538-002 (Klune Industries Inc).
Key specifications for 6181538-002: Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF; Cross-Sectional Thickness: 0.093 INCHES NOMINAL IN; Inside Corner Radius: 0.020 INCHES NOMINAL IN; Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL 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.