The O-Ring, cataloged under National Stock Number 5331-01-445-5663, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is The Skydyne Company. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | The Skydyne Company (CAGE 74284) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-445-5663 |
| Primary Part Number | 50002112 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | The Skydyne Company |
| 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 |
|---|---|
| 50002112 PRIMARY | The Skydyne Company (USA) |
| Reference | Meaning |
|---|---|
| 715-8547-0 ITEM 19 | 5/9 Secondary reference The Skydyne Company |
| 568-008 AMS 3209 | 5/9 Secondary reference Al-Lee International Inc |
NSN 5331-01-445-5663 is a O-Ring, manufactured by The Skydyne Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-445-5663 has 1 manufacturer part number on file: 50002112 (The Skydyne Company).
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.