The Seal,plain Encased, cataloged under National Stock Number 5330-01-343-4232, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-343-4232 |
| Primary Part Number | 206-306-16L |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Seal Width | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| Sealing Element Style | VERTICAL |
| Housing Bore Diameter | 3.065 INCHES MINIMUM AND 3.069 INCHES MAXIMUM IN |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 2.016 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A |
| Material | STEEL CORROSION RESISTING CASE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT B |
| Material | STEEL CORROSION RESISTING SPRING |
| 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 |
|---|---|
| 206-306-16L PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| 2097666-56 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 5330PL0926741 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5330-01-343-4232 is a Seal,plain Encased, manufactured by John Crane, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-343-4232 has 1 manufacturer part number on file: 206-306-16L (John Crane, Inc).
Key specifications for 206-306-16L: Seal Width: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN; Sealing Element Style: VERTICAL; Housing Bore Diameter: 3.065 INCHES MINIMUM AND 3.069 INCHES MAXIMUM IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 10 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.