The O-Ring, cataloged under National Stock Number 5331-01-585-5595, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is John Crane, Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-585-5595 |
| Primary Part Number | 0000 239 9561 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.139 INCHES NOMINAL IN |
| Center Hole Diameter | 3.609 INCHES NOMINAL IN |
| 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 |
|---|---|
| 62676689 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 0000 239 9561 PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| 13939N18-2 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| N-SP-00169-2 | 5/1 Secondary reference John Crane, Inc |
NSN 5331-01-585-5595 is a O-Ring, manufactured by John Crane, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-585-5595 has 2 manufacturer part numbers on file: 62676689 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 0000 239 9561 (John Crane, Inc).
Key specifications for 0000 239 9561: Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Center Hole Diameter: 3.609 INCHES NOMINAL IN; End Item Identification: 3 IN. DIA. JOHN CRANE SEAL TYPE T-8-1 IN; Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM. 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.