The O-Ring, cataloged under National Stock Number 5331-00-059-8749, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Westerbeke Corporation. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-059-8749 |
| Primary Part Number | 12565 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Westerbeke Corporation |
| Status | ACTIVE |
| Center Hole Diameter | 3.335 INCHES MINIMUM AND 3.365 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| Cross-Sectional Height | 0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12565 PRIMARY | Westerbeke Corporation (USA) |
NSN 5331-00-059-8749 is a O-Ring, manufactured by Westerbeke Corporation, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-059-8749 has 1 cross-referenced part number: 12565 (Westerbeke Corporation).
There are 5 known substitutes for 5331-00-059-8749: 5945-00-089-6062, 3110-00-902-1643, 3439-01-254-5711 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12565: Center Hole Diameter: 3.335 INCHES MINIMUM AND 3.365 INCHES MAXIMUM IN; Material: RUBBER SILICONE CLASS Q; Cross-Sectional Height: 0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.