The Ring,piston, cataloged under National Stock Number 3040-01-477-6802, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Grove U.s. Llc Dba Grove Us Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-477-6802 |
| Primary Part Number | 7755329609 |
| Item Name | Ring,piston |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Grove U.s. Llc Dba Grove Us 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 |
|---|---|
| 7755329609 PRIMARY | Grove U.s. Llc Dba Grove Us Llc (USA) |
| Reference | Meaning |
|---|---|
| 7755329609 | 5/9 Secondary reference Minnpar, Llc Dba Minnpar |
| 5115180750 | 5/9 Secondary reference Grove U.s. Llc Dba Grove Us Llc |
NSN 3040-01-477-6802 is a Ring,piston, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-477-6802 has 1 manufacturer part number on file: 7755329609 (Grove U.s. Llc Dba Grove Us Llc).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-542-2578. Verify interchangeability with system specifications before substitution.
Key specifications for 7755329609: End Item Identification: DIRECT VENDOR DELIVERY (DVD), ATEC AT422-T, NSN 3810-01-448-2619, CAGE 12361, PART NUMBER 1-140-0-00513, TM5-3810-307-24P, CONTRACT DAAE07-97-D-X001. 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.