The O-Ring, cataloged under National Stock Number 5331-01-239-9427, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ampco Pumps Company Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-239-9427 |
| Primary Part Number | GX5098302 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ampco Pumps Company Llc |
| Status | ACTIVE |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| GX5098302 PRIMARY | Ampco Pumps Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 610005098302 | 5/9 Secondary reference Ampco Metal Inc. Dba Ampco Metal Inc |
NSN 5331-01-239-9427 is a O-Ring, manufactured by Ampco Pumps Company Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-239-9427 has 1 manufacturer part number on file: GX5098302 (Ampco Pumps Company Llc).
Key specifications for GX5098302: Material: RUBBER FLUOROCARBON CLASS FPM. 1 specification is 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.