The O-Ring, cataloged under National Stock Number 5331-01-591-3509, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-591-3509 |
| Primary Part Number | 1126059 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 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 |
|---|---|
| 1126059 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 15812N18MK9 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 66238-1126059 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
NSN 5331-01-591-3509 is a O-Ring, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-591-3509 has 3 manufacturer part numbers on file: 1126059 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 15812N18MK9 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 66238-1126059 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 1126059: Part Name Assigned by Controlling Agency: O-RING. 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.