The O-Ring, cataloged under National Stock Number 5331-01-666-1409, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-666-1409 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | ITEM IS FAA CERTIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3-918E515-80 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 568-9185607-80 | 3/1 Design control — primary reference Parco, Llc |
NSN 5331-01-666-1409 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-666-1409: Part Name Assigned by Controlling Agency: O-RING; End Item Identification: KC-46A A; Reference Number Differentiating Characteristics: ITEM IS FAA CERTIFIED. 1 specification is 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.