The Seal,plain Encased, cataloged under National Stock Number 5330-01-386-2742, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-386-2742 |
| Primary Part Number | 20520 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions |
| Status | ACTIVE |
| Outside Diameter | 2.565 INCHES NOMINAL IN |
| Accommodated Shaft Diameter | 2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN |
| Sealing Element Style | VERTICAL |
| Housing Bore Diameter | 2.561 INCHES NOMINAL IN |
| Seal Width | 0.299 INCHES MINIMUM AND 0.331 INCHES MAXIMUM IN |
| Case Style | SQUARE |
| Surface Treatment | PLASTIC CASE |
| Material | PLASTIC POLYURETHANE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20520-CRW1 | Zf Industrieantriebe Witten Gmbh (DEU) |
| F19111 | Eaton Truck Components (GBR) |
| 20520 PRIMARY | Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA) |
| 344142R1 | Seddon Atkinson Vehicles Ltd (GBR) |
| 596-7410249-118 | Naval Sea Systems Command (USA) |
| 19111 | Eaton Truck Components (GBR) |
| B831-9511-118 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 19111 | Dana Commercial Vehicle Products, Llc (USA) |
NSN 5330-01-386-2742 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 5330-01-386-2742 has 8 cross-referenced part numbers: 20520-CRW1 (Zf Industrieantriebe Witten Gmbh), F19111 (Eaton Truck Components), 20520 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 344142R1 (Seddon Atkinson Vehicles Ltd), 596-7410249-118 (Naval Sea Systems Command) and 3 more.
There are 12 known substitutes for 5330-01-386-2742: 5325-00-232-9218, 5935-00-259-3299, 5950-00-280-4219 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20520: Outside Diameter: 2.565 INCHES NOMINAL IN; Accommodated Shaft Diameter: 2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN; Sealing Element Style: VERTICAL; Housing Bore Diameter: 2.561 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.