The Ring,piston, cataloged under National Stock Number 3040-01-700-9121, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Hunger Hydraulics Cc Ltd. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,piston |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Hunger Hydraulics Cc Ltd (CAGE 1SV35) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-700-9121 |
| Primary Part Number | 010417 |
| Item Name | Ring,piston |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Hunger Hydraulics Cc Ltd |
| 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 |
|---|---|
| 010417 PRIMARY | Hunger Hydraulics Cc Ltd (USA) |
| Reference | Meaning |
|---|---|
| 71881800 PL | D/9 Drawing number reference only Hunger Hydraulics Cc Ltd |
| 71881800 REV- POS 0023 | D/9 Drawing number reference only Hunger Hydraulics Cc Ltd |
NSN 3040-01-700-9121 is a Ring,piston, manufactured by Hunger Hydraulics Cc Ltd, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-700-9121 has 1 manufacturer part number on file: 010417 (Hunger Hydraulics Cc Ltd).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-700-9141, 5360-01-700-9154, 3040-01-700-9226. Verify interchangeability with system specifications before substitution.
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.