The O-Ring, cataloged under National Stock Number 5331-01-646-7891, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-646-7891 |
| Primary Part Number | M83485/1-151 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| 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 |
|---|---|
| M83485/1-151 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| M83485/1-151 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| M83485/1-151 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5331-01-646-7891 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-646-7891 has 2 manufacturer part numbers on file: M83485/1-151 (Leonardo Spa Helicopters Division - Production Site), M83485/1-151 (Sae International Dba Sae International).
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.