The Seal,plain Encased, cataloged under National Stock Number 5330-01-181-6419, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-181-6419 |
| Primary Part Number | 31250 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions |
| Status | ACTIVE |
| Sealing Element Style | VERTICAL |
| Accommodated Shaft Diameter | 3.125 INCHES NOMINAL IN |
| Seal Width | 0.438 INCHES NOMINAL IN |
| Housing Bore Diameter | 4.376 INCHES NOMINAL IN |
| Case Style | SQUARE |
| Material | STEEL CASE |
| Material Document and Classification | CR457010,HANDBOOK OF SEALS MFR REF ALL MATERIAL RESPONSES OVERALL |
| Surface Treatment | PLASTIC CASE |
| Material | STEEL SPRING |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| Outside Diameter | 4.381 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 13215E6555 | Cecom Lr Center (USA) |
| 31250 PRIMARY | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA) |
NSN 5330-01-181-6419 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: active.
NSN 5330-01-181-6419 has 2 cross-referenced part numbers: 13215E6555 (Cecom Lr Center), 31250 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).
There are 11 known substitutes for 5330-01-181-6419: 5950-00-252-0412, 5962-00-365-5977, 5315-00-588-4842 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 31250: Sealing Element Style: VERTICAL; Accommodated Shaft Diameter: 3.125 INCHES NOMINAL IN; Seal Width: 0.438 INCHES NOMINAL IN; Housing Bore Diameter: 4.376 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.