The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-006-4595, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-006-4595 |
| Primary Part Number | 233471 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Flow Control Device | BALL |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Thread Class | 2B |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| First End Style Designator | GASKET SEAL |
| Fourth End Connection Type | THREADED INTERNAL BOSS |
| End Connection Quantity | 4 |
| Fourth End Thread Direction | RIGHT-HAND |
| Fourth End Style Designator | GASKET SEAL |
| First End Connection Type | THREADED INTERNAL BOSS |
| Fourth End Relationship with Preceding Ends | NOT IDENTICAL WITH FIRST, SECOND OR THIRD END |
| Material | STEEL SEAT |
| Material | STEEL FLOW CONTROL DEVICE |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Fourth End Thread Class | 2B |
| Thread Size and Series/type Designator | 0.750-16 UNF FIRST END |
| Thread Size and Series/type Designator | 0.563-20 UNF FOURTH END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-006-4595 is a Valve,calibrated Flow, manufactured by Dana Off Highway Products, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-006-4595 has 2 manufacturer part numbers on file: 233471 (Dana Off Highway Products, Llc), 007233471 (Tvh Parts Co.).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-347-7374. Verify interchangeability with system specifications before substitution.
Key specifications for 233471: Flow Control Device: BALL; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 19 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.