The Seal,plain, cataloged under National Stock Number 5330-01-276-1666, 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 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-276-1666 |
| Primary Part Number | 5363426-2 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Seal Width | 0.312 INCHES NOMINAL IN |
| Hardness Rating | 100.0 SHORE DUROMETER A NOMINAL HEEL |
| Hardness Rating | 77.0 SHORE DUROMETER A NOMINAL SEALING ELEMENT |
| Housing Bore Diameter | 2.625 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SINGLE LIP |
| Accommodated Shaft Diameter | 1.938 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| Material | RUBBER HEEL |
| Construction | SOLID |
| 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 |
|---|---|
| 5363361 PART 33 | Naval Sea Systems Command (USA) |
| 5363426-2 PRIMARY | Naval Sea Systems Command (USA) |
| 8443 LPD H1/L5 | Johns Manville Intl (USA) |
| Reference | Meaning |
|---|---|
| 8443 LUP H1/L5 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-276-1666 is a Seal,plain, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-276-1666 has 3 manufacturer part numbers on file: 5363361 PART 33 (Naval Sea Systems Command), 5363426-2 (Naval Sea Systems Command), 8443 LPD H1/L5 (Johns Manville Intl).
Key specifications for 5363426-2: Seal Width: 0.312 INCHES NOMINAL IN; Hardness Rating: 100.0 SHORE DUROMETER A NOMINAL HEEL; Hardness Rating: 77.0 SHORE DUROMETER A NOMINAL SEALING ELEMENT; Housing Bore Diameter: 2.625 INCHES NOMINAL IN. 9 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.