The Seal,plain Encased, cataloged under National Stock Number 5330-01-298-9681, 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 6 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-298-9681 |
| Primary Part Number | MS51911-50-2 |
| 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 | 4.003 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| Seal Width | 0.625 INCHES NOMINAL IN |
| Case Style | SQUARE |
| Sealing Element Style | ANGULAR |
| Accommodated Shaft Diameter | 3.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51911-50-2 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| A-A-52524/7 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| A-A-52524/7-50-2 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
NSN 5330-01-298-9681 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 5330-01-298-9681 has 3 cross-referenced part numbers: MS51911-50-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), A-A-52524/7 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-52524/7-50-2 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
There are 2 known substitutes for 5330-01-298-9681: 5330-00-236-6604, 5330-00-286-6836. Verify interchangeability with system specifications before substitution.
Key specifications for MS51911-50-2: Housing Bore Diameter: 4.003 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT; Seal Width: 0.625 INCHES NOMINAL IN; Case Style: SQUARE. 6 total characteristics are documented in the Federal Logistics Information System.