The O-Ring, cataloged under National Stock Number 5331-00-718-5523, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Dressta North America Ltd. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-718-5523 |
| Primary Part Number | 360599R1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| Cross-Sectional Height | 0.228 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN |
| Center Hole Diameter | 3.375 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 360599R1 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 360599R1 | 5/9 Secondary reference International Harvester Co Agricultural Equipment Div |
| 360599R1 | 5/9 Secondary reference U.S. Government activity |
| 360599R1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 360599R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 5331-00-718-5523 is a O-Ring, manufactured by Dressta North America Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-718-5523 has 1 manufacturer part number on file: 360599R1 (Dressta North America Ltd).
Key specifications for 360599R1: Cross-Sectional Height: 0.228 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN; Center Hole Diameter: 3.375 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.