The Ring Piston, cataloged under National Stock Number 5420-00-606-4454, is classified within Federal Supply Class 5420 (Bridges, Fixed and Floating) of the Prefabricated Structures and Scaffolding group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5420 — Bridges, Fixed and Floating (FSG 54) |
| Parameter | Value |
|---|---|
| NSN | 5420-00-606-4454 |
| Item Name | Ring Piston |
| FSC / FSG | 5420 / 54 — Bridges, Fixed and Floating |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| SC43011 | 5/9 Secondary reference U.S. Government activity |
| 981007 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5420-00-606-4454 is a Ring Piston, classified under FSC 5420, Bridges, Fixed and Floating. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5330-00-978-2822, 6810-01-463-6023. 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.
NSN 5420-00-606-4454 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.