The Ring,piston, cataloged under National Stock Number 2825-00-106-8440, is classified within Federal Supply Class 2825 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Naval Air Warfare Center Aircraft Division Joint Base Jbmdl. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-00-106-8440 |
| Primary Part Number | 12-31106-2 |
| Item Name | Ring,piston |
| FSC / FSG | 2825 / 28 — No Item Name Available |
| Manufacturer | Naval Air Warfare Center Aircraft Division Joint Base Jbmdl |
| Status | ACTIVE |
| Joint Style | VERTICAL JOINT |
| Material | IRON OVERALL |
| Ring Style | CONCENTRIC |
| Material Document and Classification | TYPE G3000 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Criticality Code Justification | FEAT |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Radial Wall Thickness | 0.5450 INCHES MINIMUM AND 0.5530 INCHES MAXIMUM IN |
| Standard Bore Diameter | 17.875 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12-31106-2 PRIMARY | Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA) |
| 12-31106-2 | A&b Foundry, Llc Dba A&b Foundry, Machining & Fabrications (USA) |
| 12-31106-2 | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
NSN 2825-00-106-8440 is a Ring,piston, manufactured by Naval Air Warfare Center Aircraft Division Joint Base Jbmdl, classified under FSC 2825 (No Item Name Available). Status: active.
NSN 2825-00-106-8440 has 3 cross-referenced part numbers: 12-31106-2 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), 12-31106-2 (A&b Foundry, Llc Dba A&b Foundry, Machining & Fabrications), 12-31106-2 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies).
There is 1 known substitute for 2825-00-106-8440: 5130-01-156-0441. Verify interchangeability with system specifications before substitution.
Key specifications for 12-31106-2: Joint Style: VERTICAL JOINT; Material: IRON OVERALL; Ring Style: CONCENTRIC; Overall Width: 0.4990 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.