The Ring,piston,expande, cataloged under National Stock Number 2995-00-287-7994, is classified within Federal Supply Class 2995 (Miscellaneous Engine Accessories, Aircraft) of the Engine Accessories group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Ring,piston,expande |
| FSC / FSG | 2995 — Miscellaneous Engine Accessories, Aircraft (FSG 29) |
| Manufacturers | Trelleborg Sealing Solutions Us, Inc. (CAGE 09257); Satair A/s (CAGE R1120) |
| Parameter | Value |
|---|---|
| NSN | 2995-00-287-7994 |
| Primary Part Number | S11053-44 |
| Item Name | Ring,piston,expande |
| FSC / FSG | 2995 / 29 — Miscellaneous Engine Accessories, Aircraft |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| S11053-44 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| S11053-44 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| S11053-44 | 5/9 Secondary reference U.S. Government activity |
| 960041-44 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2995-00-287-7994 is a Ring,piston,expande, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 2995, Miscellaneous Engine Accessories, Aircraft. Status: active.
NSN 2995-00-287-7994 has 2 manufacturer part numbers on file: S11053-44 (Trelleborg Sealing Solutions Us, Inc.), S11053-44 (Satair A/s).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2995-00-287-7994 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.