The Stem,fluid Valve, cataloged under National Stock Number 4820-01-252-2676, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Oic Valve Corp. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-252-2676 |
| Primary Part Number | ASI 202 ITEM 4 6IN |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Oic Valve Corp |
| Status | ACTIVE |
| Valve Size for Which Designed | 6.000 INCHES IN |
| Material | STEEL |
| 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 |
|---|---|
| ASI 202 ITEM 4 6IN PRIMARY | Oic Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| ST2023032USC06- | C/1 Advisory reference — outside the item-of-supply concept Oic Valve Corp |
| ASI 202 | D/9 Drawing number reference only Oic Valve Corp |
NSN 4820-01-252-2676 is a Stem,fluid Valve, manufactured by Oic Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-252-2676 has 1 manufacturer part number on file: ASI 202 ITEM 4 6IN (Oic Valve Corp).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-252-2721. Verify interchangeability with system specifications before substitution.
Key specifications for ASI 202 ITEM 4 6IN: Valve Size for Which Designed: 6.000 INCHES IN; Material: STEEL. 2 specifications are 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.