The Seal,plain Encased, cataloged under National Stock Number 5330-00-576-4401, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is M-D Pneumatics Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5330-00-576-4401 |
| Primary Part Number | 8511 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | M-D Pneumatics Inc |
| Status | CANCELLED |
| Sealing Element Style | ANGULAR |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Accommodated Shaft Diameter | 0.938 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING CASE |
| Housing Bore Diameter | 1.624 INCHES MINIMUM AND 1.626 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| Case Style | SQUARE |
| Seal Width | 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8511 | M-D Pneumatics Inc (USA) |
| 33S44375-2055 | Naval Ordnance Standards (USA) |
| 00044 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| 426979PC3 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 404832-1N | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5330-00-576-4401 is a Seal,plain Encased, manufactured by M-D Pneumatics Inc, classified under FSC 5330 (No Item Name Available). Status: cancelled.
NSN 5330-00-576-4401 has 5 cross-referenced part numbers: 8511 (M-D Pneumatics Inc), 33S44375-2055 (Naval Ordnance Standards), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 426979PC3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 404832-1N (Zf Industrieantriebe Witten Gmbh).
There are 12 known substitutes for 5330-00-576-4401: 5815-00-125-8194, 5995-00-136-3160, 3110-00-157-6029 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8511: Sealing Element Style: ANGULAR; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Accommodated Shaft Diameter: 0.938 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING CASE. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5330-00-576-4401 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.