The Seal,plain Encased, cataloged under National Stock Number 5330-01-285-4933, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-285-4933 |
| Primary Part Number | 21670 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions |
| Status | ACTIVE |
| Seal Width | 8.000 INCHES NOMINAL IN |
| Surface Treatment | PLASTIC CASE |
| Material | STEEL CASE |
| Accommodated Shaft Diameter | 55.000 INCHES NOMINAL IN |
| Case Style | RECESSED |
| Material | STEEL CORROSION RESISTING SPRING |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| Sealing Element Style | VERTICAL |
| Outside Diameter | 90.2 MILLIMETERS NOMINAL MM |
| Housing Bore Diameter | 90.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21670 PRIMARY | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA) |
NSN 5330-01-285-4933 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 5330-01-285-4933 has 1 cross-referenced part number: 21670 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).
There are 7 known substitutes for 5330-01-285-4933: 4710-00-010-9572, 4720-00-447-3584, 5330-00-790-8709 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21670: Seal Width: 8.000 INCHES NOMINAL IN; Surface Treatment: PLASTIC CASE; Material: STEEL CASE; Accommodated Shaft Diameter: 55.000 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.