The O-Ring, cataloged under National Stock Number 5331-01-303-8566, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Haywardindl. Products, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-303-8566 |
| Primary Part Number | ST00585 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Haywardindl. Products, Inc. |
| 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 |
|---|---|
| ST00585 PRIMARY | Haywardindl. Products, Inc. (USA) |
| HP0510150ER32A PIECE 17 | Haywardindl. Products, Inc. (USA) |
NSN 5331-01-303-8566 is a O-Ring, manufactured by Haywardindl. Products, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-303-8566 has 2 manufacturer part numbers on file: ST00585 (Haywardindl. Products, Inc.), HP0510150ER32A PIECE 17 (Haywardindl. Products, Inc.).
Key specifications for ST00585: End Item Identification: LOGISTICS SUPPORT VESSEL. 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.