The Stem,fluid Valve, cataloged under National Stock Number 4820-01-450-8353, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Anderson Metal Industries Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-450-8353 |
| Primary Part Number | D6264254 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Anderson Metal Industries Inc |
| Status | ACTIVE |
| Valve Type for Which Designed | REGULATOR |
| Largest Outside Diameter | 0.375 INCHES NOMINAL IN |
| Stem Actuating End Type | SLOTTED |
| Material Document and Classification | QQ-S-763, CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE |
| Valve Size for Which Designed | 12.500 INCHES IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| D6264254 PRIMARY | Anderson Metal Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| D6264251 | D/9 Drawing number reference only Anderson Metal Industries Inc |
NSN 4820-01-450-8353 is a Stem,fluid Valve, manufactured by Anderson Metal Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-450-8353 has 1 manufacturer part number on file: D6264254 (Anderson Metal Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-450-8355. Verify interchangeability with system specifications before substitution.
Key specifications for D6264254: Valve Type for Which Designed: REGULATOR; Largest Outside Diameter: 0.375 INCHES NOMINAL IN; Stem Actuating End Type: SLOTTED; Material Document and Classification: QQ-S-763, CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE. 6 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.