The O-Ring, cataloged under National Stock Number 5331-01-437-4656, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corp Hydraulics Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Eaton Corp Hydraulics Div (CAGE 9G527) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-437-4656 |
| Primary Part Number | 15128-000 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Eaton Corp Hydraulics Div |
| 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 |
|---|---|
| 15128-000 PRIMARY | Eaton Corp Hydraulics Div (USA) |
| Reference | Meaning |
|---|---|
| 15128-000 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-437-4656 is a O-Ring, manufactured by Eaton Corp Hydraulics Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-437-4656 has 1 manufacturer part number on file: 15128-000 (Eaton Corp Hydraulics Div).
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.