The O-Ring, cataloged under National Stock Number 5331-00-066-6093, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Incorporated Div Ingalls Shipbuilding. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-066-6093 |
| Primary Part Number | 501-65-5PC10CL |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Huntington Ingalls Incorporated Div Ingalls Shipbuilding |
| Status | ACTIVE |
| Cross-Sectional Height | 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.644 INCHES NOMINAL IN |
| 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 |
|---|---|
| 501-65-5PC10CL PRIMARY | Huntington Ingalls Incorporated Div Ingalls Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 2620-607X32PC410X | 5/9 Secondary reference U.S. Government activity |
| 77649-21X5PC10CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 77649-21X5PC10CL | 5/9 Secondary reference U.S. Government activity |
| 2620-607X32REVF EBCN54-66-0908 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-00-066-6093 is a O-Ring, manufactured by Huntington Ingalls Incorporated Div Ingalls Shipbuilding, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-066-6093 has 1 manufacturer part number on file: 501-65-5PC10CL (Huntington Ingalls Incorporated Div Ingalls Shipbuilding).
Key specifications for 501-65-5PC10CL: Cross-Sectional Height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Center Hole Diameter: 0.644 INCHES NOMINAL IN. 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.