The Ring,piston, cataloged under National Stock Number 2815-00-273-0465, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Norfolk Naval Shipyard. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-273-0465 |
| Primary Part Number | 7243 |
| Item Name | Ring,piston |
| FSC / FSG | 2815 / 28 — No Item Name Available |
| Manufacturer | Norfolk Naval Shipyard |
| Status | ACTIVE |
| Cross-Sectional Shape Style | STRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL |
| Radial Wall Thickness | 0.1550 INCHES MINIMUM AND 0.1650 INCHES MAXIMUM IN |
| Joint Style | VERTICAL JOINT |
| Oil Passage Type and Quantity | 1 GROOVE OUTSIDE PERIPHERY |
| Ring Style | CONCENTRIC |
| Oil Passage Type and Quantity | 10 SLOT HORIZONTALLY THROUGH RING |
| Material | IRON OVERALL |
| Standard Bore Diameter | 4.000 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7243 | Norfolk Naval Shipyard (USA) |
NSN 2815-00-273-0465 is a Ring,piston, manufactured by Norfolk Naval Shipyard, classified under FSC 2815 (No Item Name Available). Status: active.
NSN 2815-00-273-0465 has 1 cross-referenced part number: 7243 (Norfolk Naval Shipyard).
There are 7 known substitutes for 2815-00-273-0465: 5815-00-243-8497, 2530-00-424-1419, 6610-00-779-6933 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7243: Cross-Sectional Shape Style: STRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL; Radial Wall Thickness: 0.1550 INCHES MINIMUM AND 0.1650 INCHES MAXIMUM IN; Overall Width: 0.1240 INCHES NOMINAL IN; Joint Style: VERTICAL JOINT. 9 total characteristics are documented in the Federal Logistics Information System.