NSN 4820-01-121-8780 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-121-8780. Manufacturer of record part number: 600295.
The Disk,valve, cataloged under National Stock Number 4820-01-121-8780, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-121-8780
Primary Part Number
600295
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Hunt Valve Company, Inc.
Status
ACTIVE
Material
STEEL
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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-230-20226002-95 ITEM 35POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-232-25676002-95 ITEM 36POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-232-48526002-95 ITEM 39POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-232-48536002-95 ITEM 12POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-232-84596002-95 ITEM 38POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-232-84606002-95 ITEM 11POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-232-84614457059 ITEM 13POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-232-84624457059 ITEM 15POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-233-35236002-95 ITEM 14POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
NSN 4820-01-121-8780 is a Disk,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-121-8780?
NSN 4820-01-121-8780 has 1 manufacturer part number on file: 600295 (Hunt Valve Company, Inc.).
What NSN replaces 4820-01-121-8780?
9 possible matches (shared part number, not a government interchangeability claim): 4820-01-230-2022, 4820-01-232-2567, 4820-01-232-4852. Verify interchangeability with system specifications before substitution.
What are the specifications of 600295?
Key specifications for 600295: Material: STEEL. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-121-8780 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.