The Ring,piston, cataloged under National Stock Number 2825-00-232-6985, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Newterra Corporation, Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2825-00-232-6985 |
| Primary Part Number | 143925PC19 |
| Item Name | Ring,piston |
| FSC / FSG | 2825 / 28 — Steam Turbines and Components |
| Manufacturer | Newterra Corporation, Inc. |
| Status | ACTIVE |
| FSC Application Data | DEAERATING HEATER |
| Bore Diameter Oversize | 0.005 INCHES IN |
| Material Document and Classification | K68,KOPPERS CO INC MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.3800 INCHES MINIMUM AND 0.3900 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 12.000 INCHES IN |
| Test Data Document | 13344-143925 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Material | NICKEL 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 |
|---|---|
| 143925PC19 PRIMARY | Newterra Corporation, Inc. (USA) |
| 143925-19 | Newterra Corporation, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 143925 | D/9 Drawing number reference only Newterra Corporation, Inc. |
NSN 2825-00-232-6985 is a Ring,piston, manufactured by Newterra Corporation, Inc., classified under FSC 2825, Steam Turbines and Components. Status: active.
NSN 2825-00-232-6985 has 2 manufacturer part numbers on file: 143925PC19 (Newterra Corporation, Inc.), 143925-19 (Newterra Corporation, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 4420-01-237-6340, 4420-01-237-6341, 4420-01-237-6342. Verify interchangeability with system specifications before substitution.
Key specifications for 143925PC19: FSC Application Data: DEAERATING HEATER; Bore Diameter Oversize: 0.005 INCHES IN; Overall Width: 0.2470 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN; Material Document and Classification: K68,KOPPERS CO INC MFR REF SINGLE MATERIAL RESPONSE OVERALL. 10 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.