NSN 4820-01-235-8623 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-235-8623. Manufacturer of record part number: A48526MBD.
The Retainer,disk,valve, cataloged under National Stock Number 4820-01-235-8623, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Retainer,disk,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
Hunt Valve Company, Inc. (CAGE 11859)
Technical Specifications
Parameter
Value
NSN
4820-01-235-8623
Primary Part Number
A48526MBD
Item Name
Retainer,disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Hunt Valve Company, 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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-257-8662D48664 PART R10AG1G117POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-288-078120284JS41MPOSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
NSN 4820-01-235-8623 is a Retainer,disk,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-235-8623?
NSN 4820-01-235-8623 has 1 manufacturer part number on file: A48526MBD (Hunt Valve Company, Inc.).
What NSN replaces 4820-01-235-8623?
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-257-8662, 4820-01-288-0781, 4820-01-328-2779. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-235-8623 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.