The Disk,valve, cataloged under National Stock Number 4820-01-338-2592, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-338-2592
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Material
NICKEL ALLOY
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 Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-357-3453POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)
4820-01-357-3590NB2522E-0000 ITEM 32 3INPOSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-357-5637NB2522E-0000 3INPOSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-357-9087NB2522E-0000 ITEM 10 3INPOSSIBLE MATCH
FLANGE,GLAND,VALVE
Possible match (shared part number)Hunt Valve Company, Inc.
4820-01-446-0477POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)
4820-01-446-1492POSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)
4820-01-446-1528POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)
4820-01-446-4654POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)
4820-01-447-5931POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)
4820-01-447-6192POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
NB2522E-0000 ITEM 32 6IN
C/1Advisory reference — outside the item-of-supply concept
Hunt Valve Company, Inc.
NB2522E-0000 ITEM 32 6IN
3/9Design control — primary reference
Pima Valve, Llc
NB2522E-0000
D/9Drawing number reference only
Pima Valve, Llc
Related Parts
4820-01-357-3453POSSIBLE MATCH
SEAT,VALVE
4820-01-357-3590POSSIBLE MATCH
DISK,VALVE
NB2522E-0000 ITEM 32 3IN
4820-01-357-5637POSSIBLE MATCH
VALVE,GLOBE
NB2522E-0000 3IN
4820-01-357-9087POSSIBLE MATCH
FLANGE,GLAND,VALVE
NB2522E-0000 ITEM 10 3IN
4820-01-446-0477POSSIBLE MATCH
STEM,FLUID VALVE
4820-01-446-1492POSSIBLE MATCH
VALVE,GLOBE
4820-01-446-1528POSSIBLE MATCH
DISK,VALVE
4820-01-446-4654POSSIBLE MATCH
SEAT,VALVE
4820-01-447-5931POSSIBLE MATCH
SEAT,VALVE
4820-01-447-6192POSSIBLE MATCH
STEM,FLUID VALVE
4820-01-447-6289POSSIBLE MATCH
DISK,VALVE
Frequently Asked Questions
What is NSN 4820-01-338-2592?
NSN 4820-01-338-2592 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-338-2592?
11 possible matches (shared part number, not a government interchangeability claim): 4820-01-357-3453, 4820-01-357-3590, 4820-01-357-5637. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-338-2592?
Key specifications for 4820-01-338-2592: Material: NICKEL ALLOY. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-338-2592 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.