The O-Ring, cataloged under National Stock Number 5331-01-491-0535, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Limited Div Dowty Propellers. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-491-0535 |
| Primary Part Number | P998015 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ge Aviation Systems Limited Div Dowty Propellers |
| Status | ACTIVE |
| 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 |
|---|---|
| P998015 | Ge Aviation Systems Limited Div Dowty Propellers (GBR) |
| Reference | Meaning |
|---|---|
| 5331PL2154182 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 10477392 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 750420503 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-491-0535 is a O-Ring, manufactured by Ge Aviation Systems Limited Div Dowty Propellers, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-491-0535 has 1 manufacturer part number on file: P998015 (Ge Aviation Systems Limited Div Dowty Propellers).
Key specifications for P998015: End Item Identification: C130J. 0 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.