The Ring,rod,piston, cataloged under National Stock Number 3040-01-416-1625, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-416-1625 |
| Primary Part Number | 211036035 |
| Item Name | Ring,rod,piston |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Shape Style | BEVELED TOP, STRAIGHT FACE, SCRAPERBEVELED TOP, STRAIGHT FACE, SCRAPER |
| Oil Passage Type and Quantity | 1 GROOVE VERTICALLY THROUGH RING |
| Radial Wall Thickness | 3.0000 INCHES NOMINAL3.0000 INCHES NOMINAL IN |
| Ring Style | CONCENTRICCONCENTRIC |
| Standard Bore Diameter | 1.877 INCHES1.877 INCHES IN |
| Material | NICKEL AND COPPER AND ALUMINUM ALLOY 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 |
|---|---|
| 6405698 FIND NO 7 | Naval Sea Systems Command (USA) |
| 211036035 PRIMARY | Naval Sea Systems Command (USA) |
| 6405301 FIND NO 7 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 512-6405698-7 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 6405301 | D/9 Drawing number reference only Naval Sea Systems Command |
| 6405698 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-416-1625 is a Ring,rod,piston, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-416-1625 has 3 manufacturer part numbers on file: 6405698 FIND NO 7 (Naval Sea Systems Command), 211036035 (Naval Sea Systems Command), 6405301 FIND NO 7 (Naval Sea Systems Command).
Key specifications for 211036035: Overall Width: 3.0000 INCHES NOMINAL3.0000 INCHES NOMINAL IN; Cross-Sectional Shape Style: BEVELED TOP, STRAIGHT FACE, SCRAPERBEVELED TOP, STRAIGHT FACE, SCRAPER; Oil Passage Type and Quantity: 1 GROOVE VERTICALLY THROUGH RING; Radial Wall Thickness: 3.0000 INCHES NOMINAL3.0000 INCHES NOMINAL 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.