The Seal,plain Encased, cataloged under National Stock Number 5330-01-021-1903, 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 9 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-021-1903 |
| Primary Part Number | 31134 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions |
| Status | ACTIVE |
| Housing Bore Diameter | 3.811 INCHES NOMINAL IN |
| Accommodated Shaft Diameter | 3.125 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| Sealing Element Style | ANGULAR |
| Material | STEEL CASE |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Seal Width | 0.349 INCHES NOMINAL IN |
| Temp Rating | -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 31134 | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA) |
| 720-2402056 PIECE 61 | Naval Ship Systems Command (USA) |
NSN 5330-01-021-1903 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 5330-01-021-1903 has 2 cross-referenced part numbers: 31134 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 720-2402056 PIECE 61 (Naval Ship Systems Command).
There are 10 known substitutes for 5330-01-021-1903: 4730-00-208-7406, 5999-00-232-1934, 5940-00-718-9919 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 31134: Housing Bore Diameter: 3.811 INCHES NOMINAL IN; Accommodated Shaft Diameter: 3.125 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT; Sealing Element Style: ANGULAR. 9 total characteristics are documented in the Federal Logistics Information System.