The O-Ring, cataloged under National Stock Number 5331-01-577-2365, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation Div Hydraulic Filter Division, Fairey Arlon Operations. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Parker Hannifin Corporation Div Hydraulic Filter Division, Fairey Arlon Operations (CAGE 61363) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-577-2365 |
| Primary Part Number | N53910 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div Hydraulic Filter Division, Fairey Arlon Operations |
| 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 |
|---|---|
| N53910 PRIMARY | Parker Hannifin Corporation Div Hydraulic Filter Division, Fairey Arlon Operations (USA) |
| Reference | Meaning |
|---|---|
| 18KP841 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Corp |
NSN 5331-01-577-2365 is a O-Ring, manufactured by Parker Hannifin Corporation Div Hydraulic Filter Division, Fairey Arlon Operations, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-577-2365 has 1 manufacturer part number on file: N53910 (Parker Hannifin Corporation Div Hydraulic Filter Division, Fairey Arlon Operations).
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.