The Piston Ring,shock a, cataloged under National Stock Number 2590-01-301-3392, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Piston Ring,shock a |
| FSC / FSG | 2590 — Miscellaneous Vehicular Components (FSG 25) |
| Parameter | Value |
|---|---|
| NSN | 2590-01-301-3392 |
| Item Name | Piston Ring,shock a |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 1600-031 | 3/9 Design control — primary reference Ace Controls Inc |
NSN 2590-01-301-3392 is a Piston Ring,shock a, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5999-01-412-1060. 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.