The Seal,plain Encased, cataloged under National Stock Number 5330-00-503-5950, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc. Dba Skf Aerospace Sealing Solutions. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5330-00-503-5950 |
| Primary Part Number | 28686 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions |
| Status | CANCELLED |
| Case Style | SQUARESQUARE |
| Accommodated Shaft Diameter | 2.875 INCHES NOMINAL2.875 INCHES NOMINAL IN |
| Seal Width | 0.422 INCHES MINIMUM AND 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM0.454 INCHES MAXIMUM IN |
| Outside Diameter | 3.756 INCHES NOMINAL3.756 INCHES NOMINAL IN |
| Sealing Element Style | ANGULARANGULAR |
| Temp Rating | -65.0 FAHRENHEIT AND -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT225.0 FAHRENHEIT DEGF |
| Accommodated Shaft Maximum Rated Speed | 3600 FEET PER MINUTE3600 FEET PER MINUTE FT |
| Surface Treatment | PLASTIC CASEPLASTIC CASE |
| Housing Bore Diameter | 3.736 INCHES MINIMUM AND 3.736 INCHES MINIMUM AND 3.766 INCHES MAXIMUM3.766 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| Material Document and Classification | 429945 FSCM 80201 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT429945 FSCM 80201 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 28686 | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA) |
| 28698 | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA) |
| 811035005 | Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA) |
| 2R769PC22 | Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA) |
| 521902 | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA) |
| 521902 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5330-00-503-5950 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: cancelled.
NSN 5330-00-503-5950 has 6 cross-referenced part numbers: 28686 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 28698 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 811035005 (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots), 2R769PC22 (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots), 521902 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions) and 1 more.
There are 4 known substitutes for 5330-00-503-5950: 5310-00-186-0959, 5305-01-310-6774, 5910-01-397-0610 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 28686: Case Style: SQUARESQUARE; Accommodated Shaft Diameter: 2.875 INCHES NOMINAL2.875 INCHES NOMINAL IN; Seal Width: 0.422 INCHES MINIMUM AND 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM0.454 INCHES MAXIMUM IN; Outside Diameter: 3.756 INCHES NOMINAL3.756 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 5330-00-503-5950 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.