The Seal,plain Encased, cataloged under National Stock Number 5330-00-178-5131, 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 8 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-178-5131 |
| Primary Part Number | 33S44150-2510 |
| 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 | 0.500 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 2.875 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 1.875 INCHES NOMINAL IN |
| Material | STEEL CASE |
| Material | LEATHER SEALING ELEMENT |
| 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 |
|---|---|
| 33S44150-2510 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 13830-116 PRIMARY | Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA) |
| Reference | Meaning |
|---|---|
| W37A3 | 5/9 Secondary reference Siemens Energy, Inc. |
| HY183-4 | 3/2 Design control — primary reference U.S. Government activity |
| HR20977 | 5/9 Secondary reference Ecolaire Inc Baldwin-Hamilton Co Div |
| MC1346S22-0-60ERPC22 | 5/9 Secondary reference Mkt Geotechnical Systems |
| 287128 | 5/9 Secondary reference Mkt Geotechnical Systems |
| W37A3 | 5/9 Secondary reference Imo Industries Inc Delroyd Worm Gear Div |
| 00044 | 5/1 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| 287128 | 5/9 Secondary reference U.S. Government activity |
| MB2578-22 | 5/9 Secondary reference Mkt Geotechnical Systems |
| 18733 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 62155 | 5/9 Secondary reference Ecolaire Inc Baldwin-Hamilton Co Div |
NSN 5330-00-178-5131 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 5330-00-178-5131 has 2 manufacturer part numbers on file: 33S44150-2510 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 13830-116 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine).
5 possible matches (shared part number, not a government interchangeability claim): 1270-00-403-9001, 2840-00-510-1240, 5835-00-953-4037. Verify interchangeability with system specifications before substitution.
Key specifications for 33S44150-2510: Seal Width: 0.500 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 2.875 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 8 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.