The Ring Set,piston, cataloged under National Stock Number 2810-01-187-8910, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2810-01-187-8910 |
| Primary Part Number | R202-19 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo |
| Status | ACTIVE |
| Ring Set Component Parts | RING R202G15,07128,2 |
| Piston Accommodation Quantity | 2 |
| 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 |
|---|---|
| R202-19 PRIMARY | Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo (USA) |
| Reference | Meaning |
|---|---|
| R202-19 | C/1 Advisory reference — outside the item-of-supply concept Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc |
NSN 2810-01-187-8910 is a Ring Set,piston, manufactured by Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo, classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-01-187-8910 has 1 manufacturer part number on file: R202-19 (Trelleborg Sealing Solutions El Segundo, Inc. Dba Tss El Segundo).
Key specifications for R202-19: Ring Set Component Parts: RING R202G15,07128,2; Piston Accommodation Quantity: 2. 2 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.