The O-Ring, cataloged under National Stock Number 5331-01-597-2968, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-597-2968 |
| Primary Part Number | 0000-340-M005 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.210 INCHES NOMINAL IN |
| Center Hole Diameter | 3.350 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 |
| Part Number | Manufacturer |
|---|---|
| 0000-340-M005 PRIMARY | John Crane, Inc (USA) |
| NSP-1000003-16 | John Crane, Inc (USA) |
NSN 5331-01-597-2968 is a O-Ring, manufactured by John Crane, Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-597-2968 has 2 manufacturer part numbers on file: 0000-340-M005 (John Crane, Inc), NSP-1000003-16 (John Crane, Inc).
Key specifications for 0000-340-M005: Cross-Sectional Height: 0.210 INCHES NOMINAL IN; Center Hole Diameter: 3.350 INCHES NOMINAL IN; End Item Identification: SHAFT SEAL ASSEMBLY; 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.