The O-Ring, cataloged under National Stock Number 5331-01-648-0658, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Zf Marine Propulsion Systems Miramar Llc. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-648-0658 |
| Primary Part Number | 0634 303 306 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Zf Marine Propulsion Systems Miramar Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 3.530 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 91.670 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 0634 303 306 PRIMARY | Zf Marine Propulsion Systems Miramar Llc (USA) |
NSN 5331-01-648-0658 is a O-Ring, manufactured by Zf Marine Propulsion Systems Miramar Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-648-0658 has 1 manufacturer part number on file: 0634 303 306 (Zf Marine Propulsion Systems Miramar Llc).
Key specifications for 0634 303 306: Cross-Sectional Height: 3.530 MILLIMETERS NOMINAL MM; Center Hole Diameter: 91.670 MILLIMETERS NOMINAL MM; End Item Identification: GEAR, MARINE. 2 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.