The Seal,plain Encased, cataloged under National Stock Number 5330-01-509-6807, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-509-6807 |
| Primary Part Number | 21621 |
| 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 | 72.0 MILLIMETERS NOMINAL MM |
| Seal Width | 8.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | PLASTIC CASE |
| Case Style | SQUARE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| Accommodated Shaft Diameter | 55.0 MILLIMETERS NOMINAL MM |
| Sealing Element Style | VERTICAL |
| Outside Diameter | 72.2 MILLIMETERS NOMINAL MM |
| Material | STEEL CASE |
| Material | STEEL SPRING |
| Material Document and Classification | LONGLIFE MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21621 PRIMARY | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA) |
| AHA0100-136-000 | The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc (USA) |
| A12227 ITEM 14 | The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc (USA) |
NSN 5330-01-509-6807 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 5330-01-509-6807 has 3 cross-referenced part numbers: 21621 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), AHA0100-136-000 (The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc), A12227 ITEM 14 (The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc).
There are 5 known substitutes for 5330-01-509-6807: 5977-00-381-0215, 5310-00-483-2276, 5310-00-638-1124 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21621: Housing Bore Diameter: 72.0 MILLIMETERS NOMINAL MM; Seal Width: 8.0 MILLIMETERS NOMINAL MM; Surface Treatment: PLASTIC CASE; Case Style: SQUARE. 13 total characteristics are documented in the Federal Logistics Information System.