The O-Ring, cataloged under National Stock Number 5331-01-265-1925, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hatz Diesel of America 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Hatz Diesel of America Inc (CAGE 61080) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-265-1925 |
| Primary Part Number | 502 580 00 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hatz Diesel of America 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 |
|---|---|
| 502 580 00 PRIMARY | Hatz Diesel of America Inc (USA) |
| Reference | Meaning |
|---|---|
| 502 580 00 | C/1 Advisory reference — outside the item-of-supply concept Partz Network Llc, John J. Melton, Robert Melton, Christpher Robles, Richard Melton, Christine Hunsecker |
NSN 5331-01-265-1925 is a O-Ring, manufactured by Hatz Diesel of America Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-265-1925 has 1 manufacturer part number on file: 502 580 00 (Hatz Diesel of America 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.