The O-Ring, cataloged under National Stock Number 5331-01-483-2020, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-483-2020 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Cross-Sectional Height | 0.139 INCHES NOMINAL IN |
| Material Document and Classification | MIL-G-22050,GR 1;AS568-233 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 2.859 INCHES NOMINAL IN |
| Material | RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| DF330645 FIND 39 | 5/1 Secondary reference Naval Sea Systems Command |
| MIL-G-22050GRAD E1SIZEAS568-233 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MIL-DTL-22050 | 4/1 Identification reference U.S. Government activity |
| DF330645 FIND 39 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| M22050-1-233 | 2/2 Government specification standardization U.S. Government activity |
| MIL-G-22050 GR 1 SIZE AS568-233 | 5/9 Secondary reference U.S. Government activity |
| 801-6408785 FIND 39 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5331-01-483-2020 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-483-2020: Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Material Document and Classification: MIL-G-22050,GR 1;AS568-233 MIL SPEC SINGLE MATERIAL RESPONSE; Center Hole Diameter: 2.859 INCHES NOMINAL IN; Material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM. 4 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.