The Ring,piston, cataloged under National Stock Number 2815-00-337-1966, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Dover Resources Inc Dba C. Lee Cook Div. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-337-1966 |
| Primary Part Number | 44034KCZ |
| Item Name | Ring,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Dover Resources Inc Dba C. Lee Cook Div |
| Status | ACTIVE |
| Cross-Sectional Shape Style | BEVELED FACE, UPPER |
| Joint Style | DIAGONAL JOINT |
| Radial Wall Thickness | 0.5850 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 18.000 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 |
|---|---|
| 44034KCZ PRIMARY | Dover Resources Inc Dba C. Lee Cook Div (USA) |
| 28834N | Dover Resources Inc Dba C. Lee Cook Div (USA) |
| DS5616 PRIMARY | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6312-7261 | 5/9 Secondary reference Energy Services Group Div of Cooper Industries Inc |
| DS5616 | 5/9 Secondary reference Energy Services Group Div of Cooper Industries Inc |
NSN 2815-00-337-1966 is a Ring,piston, manufactured by Dover Resources Inc Dba C. Lee Cook Div, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-337-1966 has 3 manufacturer part numbers on file: 44034KCZ (Dover Resources Inc Dba C. Lee Cook Div), 28834N (Dover Resources Inc Dba C. Lee Cook Div), DS5616 (Hatch & Kirk, Inc.).
Key specifications for 44034KCZ: Overall Width: 0.4300 INCHES NOMINAL IN; Cross-Sectional Shape Style: BEVELED FACE, UPPER; Joint Style: DIAGONAL JOINT; Radial Wall Thickness: 0.5850 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN. 6 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.