The O-Ring, cataloged under National Stock Number 5331-01-593-8222, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sound Propeller Services, Inc. Dba Sound Propeller Services Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-593-8222 |
| Primary Part Number | 811911-OR |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sound Propeller Services, Inc. Dba Sound Propeller Services Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.188 INCHES NOMINAL IN |
| Center Hole Diameter | 3.333 INCHES NOMINAL IN |
| Material | RUBBER |
| 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 |
|---|---|
| 811911-OR PRIMARY | Sound Propeller Services, Inc. Dba Sound Propeller Services Inc (USA) |
NSN 5331-01-593-8222 is a O-Ring, manufactured by Sound Propeller Services, Inc. Dba Sound Propeller Services Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-593-8222 has 1 manufacturer part number on file: 811911-OR (Sound Propeller Services, Inc. Dba Sound Propeller Services Inc).
Key specifications for 811911-OR: Cross-Sectional Height: 0.188 INCHES NOMINAL IN; Center Hole Diameter: 3.333 INCHES NOMINAL IN; End Item Identification: BOAT, BARRIER, 25BB0601; Material: RUBBER. 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.