The O-Ring, cataloged under National Stock Number 5331-01-130-2545, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Triumph Actuation Systems - Connecticut, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-130-2545 |
| Primary Part Number | ES-198-3 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Triumph Actuation Systems - Connecticut, Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.052 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 |
|---|---|
| ES-198-3 | Triumph Actuation Systems - Connecticut, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10154094 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ES-198-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-130-2545 is a O-Ring, manufactured by Triumph Actuation Systems - Connecticut, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-130-2545 has 1 manufacturer part number on file: ES-198-3 (Triumph Actuation Systems - Connecticut, Llc).
Key specifications for ES-198-3: Cross-Sectional Height: 0.052 INCHES NOMINAL IN. 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.