The O-Ring, cataloged under National Stock Number 5331-01-124-8211, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Scott Industrial Systems, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Scott Industrial Systems, Inc (CAGE 22841) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-124-8211 |
| Primary Part Number | AP55 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Scott Industrial Systems, 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 |
|---|---|
| AP55 PRIMARY | Scott Industrial Systems, Inc (USA) |
| Reference | Meaning |
|---|---|
| AP55 | 5/9 Secondary reference Brand Hydraulics |
NSN 5331-01-124-8211 is a O-Ring, manufactured by Scott Industrial Systems, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-124-8211 has 1 manufacturer part number on file: AP55 (Scott Industrial Systems, 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.