The O-Ring, cataloged under National Stock Number 5331-01-103-5690, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Link-Belt Cranes, L.p., Lllp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Link-Belt Cranes, L.p., Lllp (CAGE 2Y614) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-103-5690 |
| Primary Part Number | SM477 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Link-Belt Cranes, L.p., Lllp |
| 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 |
|---|---|
| SM477 PRIMARY | Link-Belt Cranes, L.p., Lllp (USA) |
| Reference | Meaning |
|---|---|
| SM477 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-103-5690 is a O-Ring, manufactured by Link-Belt Cranes, L.p., Lllp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-103-5690 has 1 manufacturer part number on file: SM477 (Link-Belt Cranes, L.p., Lllp).
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.