The Seal,plain Encased, cataloged under National Stock Number 5330-00-960-0251, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-00-960-0251 |
| Primary Part Number | 1549650PC18 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Seal Width | 0.437 INCHES NOMINAL IN |
| Sealing Element Style | VERTICAL |
| Housing Bore Diameter | 2.065 INCHES MINIMUM AND 2.069 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-45005 MIL SPEC SINGLE MATERIAL RESPONSE CASE |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 1.375 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND STEEL CASE |
| 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 |
|---|---|
| 1549650PC18 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1549650-18 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| 1549650-18 | Vanseal Corp (USA) |
| 1549650-18 | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 1549650-18 | 5/9 Secondary reference Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc |
| 1549650-18 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-00-960-0251 is a Seal,plain Encased, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-960-0251 has 4 manufacturer part numbers on file: 1549650PC18 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1549650-18 (Trelleborg Sealing Solutions Us, Inc.), 1549650-18 (Vanseal Corp), 1549650-18 (Bae Systems Land & Armaments L.p.).
Key specifications for 1549650PC18: Seal Width: 0.437 INCHES NOMINAL IN; Sealing Element Style: VERTICAL; Housing Bore Diameter: 2.065 INCHES MINIMUM AND 2.069 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-45005 MIL SPEC SINGLE MATERIAL RESPONSE CASE. 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.