The O-Ring, cataloged under National Stock Number 5331-00-527-7939, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Gmbh O-Ring Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-527-7939 |
| Primary Part Number | 2-225 N506-65 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker Hannifin Gmbh O-Ring Division |
| Status | CANCELLED |
| Hardness Rating | 65.0 SHORE DUROMETER A NOMINAL |
| Outside Diameter | 2.111 INCHES MINIMUM AND 2.163 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.849 INCHES MINIMUM AND 1.869 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2-225 N506-65 | Parker Hannifin Gmbh O-Ring Division (DEU) |
| MS9021-225 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AS3578-225 | Society of Automotive Engineers Inc (USA) |
| PRP568-225-4024-65 | Parco, Llc (USA) |
| 2-225 N506-65 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 4728 | Crouse-Hinds Co (USA) |
| 5331PL0840215 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
NSN 5331-00-527-7939 is a O-Ring, manufactured by Parker Hannifin Gmbh O-Ring Division, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-527-7939 has 7 cross-referenced part numbers: 2-225 N506-65 (Parker Hannifin Gmbh O-Ring Division), MS9021-225 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AS3578-225 (Society of Automotive Engineers Inc), PRP568-225-4024-65 (Parco, Llc), 2-225 N506-65 (Parker-Hannifin Corp Div O-Ring Division) and 2 more.
There are 2 known substitutes for 5331-00-527-7939: 2990-00-364-6781, 5331-01-264-3618. Verify interchangeability with system specifications before substitution.
Key specifications for 2-225 N506-65: Hardness Rating: 65.0 SHORE DUROMETER A NOMINAL; Outside Diameter: 2.111 INCHES MINIMUM AND 2.163 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 1.849 INCHES MINIMUM AND 1.869 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-527-7939 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.