The Seal,plain Encased, cataloged under National Stock Number 5330-00-291-2821, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 7 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-291-2821 |
| Primary Part Number | MS51909-17-3 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Housing Bore Diameter | 5.7485 INCHES MINIMUM AND 5.7515 INCHES MAXIMUM IN |
| Accommodated Shaft Diameter | 4.000 INCHES NOMINAL IN |
| Seal Width | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN |
| Accommodated Shaft Maximum Rated Speed | 1600 FEET PER MINUTE FT |
| Material | LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT |
| Sealing Element Style | ANGULAR |
| Case Style | FLANGED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51909-17-3 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 500202 | Army Weapons Command Attn Amswe-Ree-S (USA) |
NSN 5330-00-291-2821 is a Seal,plain Encased, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5330 (No Item Name Available). Status: active.
NSN 5330-00-291-2821 has 2 cross-referenced part numbers: MS51909-17-3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 500202 (Army Weapons Command Attn Amswe-Ree-S).
There are 6 known substitutes for 5330-00-291-2821: 6635-00-139-5944, 5998-01-063-6757, 5315-01-165-2278 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS51909-17-3: Housing Bore Diameter: 5.7485 INCHES MINIMUM AND 5.7515 INCHES MAXIMUM IN; Accommodated Shaft Diameter: 4.000 INCHES NOMINAL IN; Seal Width: 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN; Accommodated Shaft Maximum Rated Speed: 1600 FEET PER MINUTE FT. 7 total characteristics are documented in the Federal Logistics Information System.