The O-Ring, cataloged under National Stock Number 5331-01-479-1502, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-479-1502 |
| Primary Part Number | 05.1058.287 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| 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 |
|---|---|
| 05.1058.287 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| NMP1109PC21 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
NSN 5331-01-479-1502 is a O-Ring, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-479-1502 has 1 manufacturer part number on file: 05.1058.287 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for 05.1058.287: Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; End Item Identification: 1"X1" DLO/B-1,DLO/B-2 SERIES BRONZE RELIEF VALVE; Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM. 2 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.