The Stop Ring,valve Handle, cataloged under National Stock Number 4820-01-253-3439, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-253-3439 |
| Item Name | Stop Ring,valve Handle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL;ROUND;FLAT WITH A NOTCH ON ONE SIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A-13482 ITEM 13 | 5/9 Secondary reference Dezurik Co a Unit of General Signal Corp |
| A-13482-34-13 | 5/9 Secondary reference Dezurik Co a Unit of General Signal Corp |
| A-13482-13 | 5/9 Secondary reference Dezurik Co a Unit of General Signal Corp |
| 1135944 | 3/9 Design control — primary reference Dezurik Co a Unit of General Signal Corp |
| A-13482ITEM13 1 | C/1 Advisory reference — outside the item-of-supply concept Dezurik Co a Unit of General Signal Corp |
NSN 4820-01-253-3439 is a Stop Ring,valve Handle, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-253-3439: General Characteristics Item Description: STEEL;ROUND;FLAT WITH A NOTCH ON ONE SIDE. 1 specification is 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.