The Indicator,valve Positioning, cataloged under National Stock Number 4820-01-178-3074, 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1 specification, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-178-3074 |
| Item Name | Indicator,valve Positioning |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL COPPER ALLOY; U/O 3.000 IN. VALVE IN |
| 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 |
|---|---|
| X101M-2EP-81494 | 5/9 Secondary reference U.S. Government activity |
| 81494H | 3/2 Design control — primary reference U.S. Government activity |
| X101M-2EP | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 81490-81494 | 5/9 Secondary reference U.S. Government activity |
| 81490 81494H | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4820-01-178-3074 is a Indicator,valve Positioning, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-178-3074: General Characteristics Item Description: NICKEL COPPER ALLOY; U/O 3.000 IN. VALVE IN. 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.