The O-Ring, cataloged under National Stock Number 5331-01-630-6923, 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 | 5331-01-630-6923 |
| Primary Part Number | 0634.313.850 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Zf Marine Propulsion Systems Miramar Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 3.5 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 42.2 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 |
|---|---|
| 0634.313.850 PRIMARY | Zf Marine Propulsion Systems Miramar Llc (USA) |
NSN 5331-01-630-6923 is a O-Ring, manufactured by Zf Marine Propulsion Systems Miramar Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-630-6923 has 1 manufacturer part number on file: 0634.313.850 (Zf Marine Propulsion Systems Miramar Llc).
Key specifications for 0634.313.850: Cross-Sectional Height: 3.5 MILLIMETERS NOMINAL MM; Center Hole Diameter: 42.2 MILLIMETERS NOMINAL MM; End Item Identification: MARINE GEAR,Z. 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.