The O-Ring, cataloged under National Stock Number 5331-01-272-0392, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-272-0392 |
| Primary Part Number | S2L226 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Cross-Sectional Height | 0.139 INCHES MAXIMUM IN |
| 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 |
|---|---|
| S2L-226 | Leonardo Spa Aeronautics Division - Venegono Superiore Site (ITA) |
| S2L226 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| S2L226 | 5/9 Secondary reference Aar Supply Chain, Inc Dba Aar Defense Systems & Logistics |
| 5331PL1684005 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| S2L226 | 3/9 Design control — primary reference Eaton Aviation Corporation |
NSN 5331-01-272-0392 is a O-Ring, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-272-0392 has 2 manufacturer part numbers on file: S2L-226 (Leonardo Spa Aeronautics Division - Venegono Superiore Site), S2L226 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for S2L226: Cross-Sectional Height: 0.139 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM. 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.