The O-Ring, cataloged under National Stock Number 5331-01-430-7156, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kato Engineering Inc.. Government technical data includes 2 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 | 5331-01-430-7156 |
| Primary Part Number | 159-43014-06 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kato Engineering Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.090 INCHES NOMINAL IN |
| Center Hole Diameter | 0.440 INCHES NOMINAL IN |
| 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 |
|---|---|
| 159-43014-06 PRIMARY | Kato Engineering Inc. (USA) |
| 099-00208-03 PC 25 | Kato Engineering Inc. (USA) |
NSN 5331-01-430-7156 is a O-Ring, manufactured by Kato Engineering Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-430-7156 has 2 manufacturer part numbers on file: 159-43014-06 (Kato Engineering Inc.), 099-00208-03 PC 25 (Kato Engineering Inc.).
Key specifications for 159-43014-06: Cross-Sectional Height: 0.090 INCHES NOMINAL IN; Center Hole Diameter: 0.440 INCHES NOMINAL IN. 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.