NSN 5331-01-278-6911 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-278-6911. Manufacturer of record part number: 111-8791.
The O-Ring, cataloged under National Stock Number 5331-01-278-6911, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Wartsila Canada Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
NSN 5331-01-278-6911 is a O-Ring, manufactured by Wartsila Canada Inc, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-278-6911?
NSN 5331-01-278-6911 has 2 manufacturer part numbers on file: 111-8791 (Wartsila Canada Inc), 111 8791 (Deutz Corporation).
What NSN replaces 5331-01-278-6911?
1 possible match (shared part number, not a government interchangeability claim): 5998-01-457-1169. Verify interchangeability with system specifications before substitution.
Is NSN 5331-01-278-6911 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.