The O-Ring, cataloged under National Stock Number 5331-00-500-1783, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Defense Maritime Solutions, Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-500-1783 |
| Primary Part Number | 52865 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 28.880 INCHES MINIMUM AND 29.000 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 52865 | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| A52865 | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| A52865 | Wartsila Lips Inc (USA) |
| 52865 | Wartsila Lips Inc (USA) |
| 52840PC8 | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| A52865 | Defense Maritime Solutions, Inc. (USA) |
| 52865 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
NSN 5331-00-500-1783 is a O-Ring, manufactured by Defense Maritime Solutions, Inc., classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-500-1783 has 7 cross-referenced part numbers: 52865 (Eaton Corporation Dba Eaton Inoac Div Eaton), A52865 (Eaton Corporation Dba Eaton Inoac Div Eaton), A52865 (Wartsila Lips Inc), 52865 (Wartsila Lips Inc), 52840PC8 (Eaton Corporation Dba Eaton Inoac Div Eaton) and 2 more.
There are 3 known substitutes for 5331-00-500-1783: 3110-00-554-5958, 5305-00-576-6861, 3433-01-176-8366. Verify interchangeability with system specifications before substitution.
Key specifications for 52865: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 28.880 INCHES MINIMUM AND 29.000 INCHES MAXIMUM IN; Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.