The O-Ring, cataloged under National Stock Number 5331-01-533-1430, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hutchinson Industries, Inc Div Defense and Industry. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-533-1430 |
| Primary Part Number | F6653 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hutchinson Industries, Inc Div Defense and Industry |
| Status | ACTIVE |
| Cross-Sectional Height | 20.000 INCHES NOMINAL IN |
| Center Hole Diameter | 8.500 INCHES NOMINAL IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| F6653 PRIMARY | Hutchinson Industries, Inc Div Defense and Industry (USA) |
| Reference | Meaning |
|---|---|
| 19-004-2193 | 6/9 Informative reference only Nato Stock Number Potential Interchangeability Link |
NSN 5331-01-533-1430 is a O-Ring, manufactured by Hutchinson Industries, Inc Div Defense and Industry, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-533-1430 has 1 manufacturer part number on file: F6653 (Hutchinson Industries, Inc Div Defense and Industry).
Key specifications for F6653: Cross-Sectional Height: 20.000 INCHES NOMINAL IN; Center Hole Diameter: 8.500 INCHES NOMINAL IN; End Item Identification: PIRANHA III-C; Material: RUBBER. 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.