The Ring,piston, cataloged under National Stock Number 2805-00-968-8491, 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 12 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2805-00-968-8491 |
| Primary Part Number | S11452-22 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Ring Width Pin Hole Depth | 0.063 INCHES NOMINAL IN |
| Distance From Pin Hole Centerline to Ring Joint Centerline | 0.685 INCHES NOMINAL IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE EXPANDER |
| Material Document and Classification | ZZ-53,FSCM 97820 MFR REF SINGLE MATERIAL RESPONSE TOP |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE, W/EXPANDER |
| Radial Wall Thickness | 0.1250 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Pinhole Diameter | 0.126 INCHES NOMINAL IN |
| Standard Bore Diameter | 1.370 INCHES IN |
| Pin Hole Style | ROUND PINHOLE LEFT OF JOINT |
| Material | PLASTIC TOP |
| Material | STEEL COMP 301 EXPANDER |
| 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 |
|---|---|
| S11452-22 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| S11452-22 | 5/9 Secondary reference U.S. Government activity |
| 960037-22 | 5/2 Secondary reference U.S. Government activity |
NSN 2805-00-968-8491 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 2805-00-968-8491 has 1 manufacturer part number on file: S11452-22 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for S11452-22: Ring Width Pin Hole Depth: 0.063 INCHES NOMINAL IN; Distance From Pin Hole Centerline to Ring Joint Centerline: 0.685 INCHES NOMINAL IN; Overall Width: 0.0600 INCHES NOMINAL IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE EXPANDER. 12 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.