The O-Ring, cataloged under National Stock Number 5331-01-188-0861, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Von Ruden Mfg Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Von Ruden Mfg Inc (CAGE 24491) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-188-0861 |
| Primary Part Number | A-63235 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Von Ruden Mfg Inc |
| 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 |
|---|---|
| A-63235 PRIMARY | Von Ruden Mfg Inc (USA) |
| Reference | Meaning |
|---|---|
| A-63235 | 3/9 Design control — primary reference Washington Scientific Industries Inc |
| 3J 8610 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-188-0861 is a O-Ring, manufactured by Von Ruden Mfg Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-188-0861 has 1 manufacturer part number on file: A-63235 (Von Ruden Mfg Inc).
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.