NSN 4820-00-457-1609 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-457-1609. Manufacturer of record part number: B50-1-2.
The Valve,linear,directional Control, cataloged under National Stock Number 4820-00-457-1609, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Brand Hydraulics. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-457-1609
Primary Part Number
B50-1-2
Item Name
Valve,linear,directional Control
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Brand Hydraulics
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-00-484-1436B5012POSSIBLE MATCH
CAM,CONTROL
Possible match (shared part number)Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division
3694-01-233-1096B5012POSSIBLE MATCH
WORK STATION,LAMINAR FLOW
Possible match (shared part number)Clean Room Products Inc
7643-01-720-1113B501 2POSSIBLE MATCH
TOPOGRAPHIC GEOSPATIAL PRODUCTS
Possible match (shared part number)National Geospatial-Intelligence Agency Etds Mailstop J 21
NSN 4820-00-457-1609 is a Valve,linear,directional Control, manufactured by Brand Hydraulics, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-457-1609?
NSN 4820-00-457-1609 has 1 manufacturer part number on file: B50-1-2 (Brand Hydraulics).
What NSN replaces 4820-00-457-1609?
3 possible matches (shared part number, not a government interchangeability claim): 3040-00-484-1436, 3694-01-233-1096, 7643-01-720-1113. Verify interchangeability with system specifications before substitution.
What are the specifications of B50-1-2?
Key specifications for B50-1-2: Special Features: 5 PORTS,4.625 IN.LG,1.625 IN.W,4.500 IN.H IN. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-457-1609 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.