The O-Ring, cataloged under National Stock Number 5331-01-412-1452, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-412-1452 |
| Primary Part Number | 5P9658 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Center Hole Diameter | 34.650 MILLIMETERS MAXIMUM MM |
| Material | RUBBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5331-01-412-1452 is a O-Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-412-1452 has 3 manufacturer part numbers on file: 5P9658 (Caterpillar Inc Div Caterpillar Defense), 5P-9658 (Navantia - Propulsion Y Energia Motores - Cartagena), 5P-9658 (Navantia Sa Sme. Div Navantia Hq).
Key specifications for 5P9658: Center Hole Diameter: 34.650 MILLIMETERS MAXIMUM MM; End Item Identification: ENGINE, DIESEL; P/N 3608/109-3839, USED ONBOARD 225 FT WLB COAST GUARD VESSELS FT; Material: RUBBER. 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.