The Gasket, cataloged under National Stock Number 5330-01-681-2991, 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 | 5330-01-681-2991 |
| Primary Part Number | 593-8729144 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.030 INCHES NOMINAL IN |
| Outside Edge to Inside Edge Smallest Distance Along Width | 0.280 INCHES NOMINAL IN |
| Hardness Rating | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | ASTM D2000 -1BC610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 1.560 INCHES NOMINAL IN |
| Aperture Length | 1.060 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 |
| Outside Edge to Inside Edge Smallest Distance Along Length | 1.840 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Length | 2.620 INCHES NOMINAL ALL HOLES IN |
| Material | RUBBER NEOPRENE OVERALL |
| Hole Diameter | 0.500 INCHES NOMINAL ALL HOLES IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.810 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 |
|---|---|
| 593-8729144 PRIMARY | Naval Sea Systems Command (USA) |
| 593-8729144 PC NO 1 | Naval Sea Systems Command (USA) |
NSN 5330-01-681-2991 is a Gasket, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-681-2991 has 2 manufacturer part numbers on file: 593-8729144 (Naval Sea Systems Command), 593-8729144 PC NO 1 (Naval Sea Systems Command).
Key specifications for 593-8729144: Cross-Sectional Thickness: 0.030 INCHES NOMINAL IN; Outside Edge to Inside Edge Smallest Distance Along Width: 0.280 INCHES NOMINAL IN; Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL; Style Designator: NON-CIRCULAR. 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.