The O-Ring, cataloged under National Stock Number 5331-01-568-4055, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-568-4055 |
| Primary Part Number | 222207-171 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Eaton Corporation Dba Eaton Inoac |
| Status | ACTIVE |
| 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 |
|---|---|
| 222207-171 PRIMARY | Eaton Corporation Dba Eaton Inoac (USA) |
| Reference | Meaning |
|---|---|
| 222207-171 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-568-4055 is a O-Ring, manufactured by Eaton Corporation Dba Eaton Inoac, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-568-4055 has 1 manufacturer part number on file: 222207-171 (Eaton Corporation Dba Eaton Inoac).
Key specifications for 222207-171: End Item Identification: 64191-2 7INCH EMERGENCY BREAKAWAYRECEIVER IN. 0 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.