The Ring,piston, cataloged under National Stock Number 2810-01-502-6101, 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 Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2810-01-502-6101 |
| Primary Part Number | 2210288-2 |
| Item Name | Ring,piston |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS-6528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Oil Passage Type and Quantity | 2 HOLE TOP |
| Radial Wall Thickness | 0.1250 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Pinhole Diameter | 0.006 INCHES NOMINAL IN |
| Material | COBALT ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2810-01-502-6101 is a Ring,piston, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-01-502-6101 has 2 manufacturer part numbers on file: 2210288 (Honeywell International Inc. Div Aerospace - Torrance), 2210288-2 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 2210288-2: Criticality Code Justification: AGAV; Overall Width: 0.0440 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM IN; Material Document and Classification: AMS-6528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Oil Passage Type and Quantity: 2 HOLE TOP. 7 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.