The O-Ring, cataloged under National Stock Number 5331-01-246-2541, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Centofanti Marine Service Inc (CAGE 0A0L9); Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (CAGE 18925) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-246-2541 |
| Primary Part Number | K183-089 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| N404-31-092 ITEM 16 | Centofanti Marine Service Inc (USA) |
| K183-089 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA) |
| Reference | Meaning |
|---|---|
| K183-089 | 3/9 Design control — primary reference U.S. Government activity |
| N404-31-092 ITEM 16 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-246-2541 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-246-2541 has 2 manufacturer part numbers on file: N404-31-092 ITEM 16 (Centofanti Marine Service Inc), K183-089 (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division).
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.