NSN 4810-01-520-3992 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-520-3992. Manufacturer of record part number: 496-6660.
The Valve,linear,directional Control, cataloged under National Stock Number 4810-01-520-3992, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Hiab Usa Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4810-01-520-3992
Primary Part Number
496-6660
Item Name
Valve,linear,directional Control
FSC / FSG
4810 / 48 — Valves, Powered
Manufacturer
Hiab Usa Inc
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
NSN 4810-01-520-3992 is a Valve,linear,directional Control, manufactured by Hiab Usa Inc, classified under FSC 4810, Valves, Powered. Status: active.
What part numbers are listed for NSN 4810-01-520-3992?
NSN 4810-01-520-3992 has 1 manufacturer part number on file: 496-6660 (Hiab Usa Inc).
What NSN replaces 4810-01-520-3992?
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-520-6739, 3040-01-520-8771, 5340-01-521-0217. Verify interchangeability with system specifications before substitution.
What are the specifications of 496-6660?
Key specifications for 496-6660: End Item Identification: 2320-01-495-0110. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4810-01-520-3992 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.