The O-Ring, cataloged under National Stock Number 5331-01-729-3352, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Konrad Marine Inc Div Konrad Marine. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Konrad Marine Inc Div Konrad Marine (CAGE 1PQ32) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-729-3352 |
| Primary Part Number | 13-577 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Konrad Marine Inc Div Konrad Marine |
| 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 |
|---|---|
| 13-577 PRIMARY | Konrad Marine Inc Div Konrad Marine (USA) |
| Reference | Meaning |
|---|---|
| 13-577M | D/9 Drawing number reference only Konrad Marine Inc Div Konrad Marine |
NSN 5331-01-729-3352 is a O-Ring, manufactured by Konrad Marine Inc Div Konrad Marine, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-729-3352 has 1 manufacturer part number on file: 13-577 (Konrad Marine Inc Div Konrad Marine).
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.