The Ring,piston, cataloged under National Stock Number 2805-00-679-0845, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2805-00-679-0845 |
| Primary Part Number | S11052-36TYPEP |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Cross-Sectional Shape Style | MULTI-PIECE SEGMENTED RING, BEVELED FACE, W/EXPANDER AND RESTRAINER |
| Joint Style | STEP JOINT |
| Ring Style | CONCENTRIC |
| Surface Treatment | PASSIVATE OVERALL |
| Standard Bore Diameter | 2.245 INCHES IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9089722 | Trelleborg Sealing Solutions Us, Inc. (USA) |
| S11052-36TYPEP PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| S11052-36TYPEP | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| S11052-36TYPEP | 5/9 Secondary reference U.S. Government activity |
| 9089722 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 2805-00-679-0845 is a Ring,piston, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-679-0845 has 3 manufacturer part numbers on file: 9089722 (Trelleborg Sealing Solutions Us, Inc.), S11052-36TYPEP (Trelleborg Sealing Solutions Us, Inc.), S11052-36TYPEP (Satair A/s).
Key specifications for S11052-36TYPEP: Cross-Sectional Shape Style: MULTI-PIECE SEGMENTED RING, BEVELED FACE, W/EXPANDER AND RESTRAINER; Joint Style: STEP JOINT; Ring Style: CONCENTRIC; Surface Treatment: PASSIVATE OVERALL. 6 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.
NSN 2805-00-679-0845 has DEMIL Code Q. 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.