The O-Ring, cataloged under National Stock Number 5331-01-531-3975, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Red Dot Corporation Dba Red Dot Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Jc Bamford Excavators Ltd (CAGE K7599); Red Dot Corporation Dba Red Dot Corp (CAGE 62534) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-531-3975 |
| Primary Part Number | RD-5-3730-0M |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Red Dot Corporation Dba Red Dot Corp |
| 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 |
|---|---|
| 30/926463 | Jc Bamford Excavators Ltd (GBR) |
| RD-5-3730-0M PRIMARY | Red Dot Corporation Dba Red Dot Corp (USA) |
| Reference | Meaning |
|---|---|
| RD-5-4017 | D/9 Drawing number reference only Red Dot Corporation Dba Red Dot Corp |
| RD-5-4017-015 | 5/9 Secondary reference Red Dot Corporation Dba Red Dot Corp |
NSN 5331-01-531-3975 is a O-Ring, manufactured by Red Dot Corporation Dba Red Dot Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-531-3975 has 2 manufacturer part numbers on file: 30/926463 (Jc Bamford Excavators Ltd), RD-5-3730-0M (Red Dot Corporation Dba Red Dot Corp).
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.