The Ring,piston, cataloged under National Stock Number 2805-00-255-9114, 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 Johnson Controls Navy Systems, Llc. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-255-9114 |
| Primary Part Number | 29-3524PK |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| FSC Application Data | COMPRESSOR,REFRIGERATION |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | DIAGONAL JOINT |
| Radial Wall Thickness | 0.1250 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 4.000 INCHES IN |
| Material | IRON OVERALL |
| 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 |
|---|---|
| 29-3524PK PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
NSN 2805-00-255-9114 is a Ring,piston, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-255-9114 has 1 manufacturer part number on file: 29-3524PK (Johnson Controls Navy Systems, Llc).
Key specifications for 29-3524PK: FSC Application Data: COMPRESSOR,REFRIGERATION; Overall Width: 0.1762 INCHES MINIMUM AND 0.1765 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: DIAGONAL JOINT. 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.