The O-Ring, cataloged under National Stock Number 5331-01-593-6800, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is 4 M Co Inc Dba 4 M Co Inc Div Trelleborg Sealing Solutions Us Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-593-6800 |
| Primary Part Number | R1131-212 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | 4 M Co Inc Dba 4 M Co Inc Div Trelleborg Sealing Solutions Us Inc. |
| 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 |
|---|---|
| R1131-212 | 4 M Co Inc Dba 4 M Co Inc Div Trelleborg Sealing Solutions Us Inc. (USA) |
| S424-7-212 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 13-06-212 | Burke Industries Purosil Div (USA) |
| Reference | Meaning |
|---|---|
| A330-212 | 5/2 Secondary reference U.S. Government activity |
| BACP11J212 | 3/2 Design control — primary reference U.S. Government activity |
| S7E183-212 | 5/2 Secondary reference U.S. Government activity |
NSN 5331-01-593-6800 is a O-Ring, manufactured by 4 M Co Inc Dba 4 M Co Inc Div Trelleborg Sealing Solutions Us Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-593-6800 has 3 manufacturer part numbers on file: R1131-212 (4 M Co Inc Dba 4 M Co Inc Div Trelleborg Sealing Solutions Us Inc.), S424-7-212 (Parker-Hannifin Corp Div O-Ring Division), 13-06-212 (Burke Industries Purosil Div).
Key specifications for R1131-212: Part Name Assigned by Controlling Agency: PACKING. 0 specifications are documented in the U.S. Government catalog.
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.