The O-Ring, cataloged under National Stock Number 5331-01-407-2320, 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 Div Eaton. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Eaton Corporation Dba Eaton Inoac Div Eaton (CAGE 77842) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-407-2320 |
| Primary Part Number | 75972-347 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Eaton Corporation Dba Eaton Inoac Div Eaton |
| 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 |
|---|---|
| 82749 ITEM 7 | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| 75972-347 PRIMARY | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| Reference | Meaning |
|---|---|
| 2-347E540-80 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-01-407-2320 is a O-Ring, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-407-2320 has 2 manufacturer part numbers on file: 82749 ITEM 7 (Eaton Corporation Dba Eaton Inoac Div Eaton), 75972-347 (Eaton Corporation Dba Eaton Inoac Div Eaton).
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.