The O-Ring, cataloged under National Stock Number 5331-01-534-3439, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Endress + Hauser Inc Dba Endress+hauser Usa. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-534-3439 |
| Primary Part Number | 61002487 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Endress + Hauser Inc Dba Endress+hauser Usa |
| Status | ACTIVE |
| Cross-Sectional Height | 3.5 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 49.2 MILLIMETERS NOMINAL MM |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 61002487 PRIMARY | Endress + Hauser Inc Dba Endress+hauser Usa (USA) |
| Reference | Meaning |
|---|---|
| 50155AA NO. 2 | 5/9 Secondary reference Endress + Hauser Inc Dba Endress+hauser Usa |
NSN 5331-01-534-3439 is a O-Ring, manufactured by Endress + Hauser Inc Dba Endress+hauser Usa, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-534-3439 has 1 manufacturer part number on file: 61002487 (Endress + Hauser Inc Dba Endress+hauser Usa).
Key specifications for 61002487: Cross-Sectional Height: 3.5 MILLIMETERS NOMINAL MM; Center Hole Diameter: 49.2 MILLIMETERS NOMINAL MM; End Item Identification: RADAR TLI INSTALLATION; Material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM. 3 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.