The Ring,piston, cataloged under National Stock Number 3040-01-655-9374, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Ktsdi Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-655-9374 |
| Primary Part Number | 509275-4281 |
| Item Name | Ring,piston |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Ktsdi Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 509275-4281 PRIMARY | Ktsdi Llc (USA) |
| 509275-4281 PRIMARY | Kessler Intl Corp (USA) |
NSN 3040-01-655-9374 is a Ring,piston, manufactured by Ktsdi Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-655-9374 has 2 manufacturer part numbers on file: 509275-4281 (Ktsdi Llc), 509275-4281 (Kessler Intl Corp).
Key specifications for 509275-4281: Special Features: CAGE 3S597 DOES NOT SELL TO THE GOVERNMENT; End Item Identification: 3930-01-522-7364. 0 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.