The Disk,valve, cataloged under National Stock Number 4820-01-245-6914, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-245-6914
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Outside Diameter
8.605 INCHES NOMINAL IN
Style Designator
PLAIN
Inside Diameter
0.840 INCHES NOMINAL IN
Material
STEEL CORROSION RESISTING
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-246-3297C-9499 ITEM 5POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Admiral Valve Llc Dba Cpv Manufacturing
4820-01-246-6452C-9499 ITEM 8POSSIBLE MATCH
CAGE,VALVE
Possible match (shared part number)Admiral Valve Llc Dba Cpv Manufacturing
5360-01-246-6509C-9499 ITEM 7POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)Admiral Valve Llc Dba Cpv Manufacturing
4820-01-247-2608C-9499 ITEM 2POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Admiral Valve Llc Dba Cpv Manufacturing
4820-01-255-6233C-9499 ITEM 6POSSIBLE MATCH
GUIDE,VALVE PISTON
Possible match (shared part number)Admiral Valve Llc Dba Cpv Manufacturing
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
C-9499 ITEM 4
3/2Design control — primary reference
U.S. Government activity
C-9499
D/9Drawing number reference only
U.S. Government activity
101476CD
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
Related Parts
4820-01-246-3297POSSIBLE MATCH
STEM,FLUID VALVE
C-9499 ITEM 5
4820-01-246-6452POSSIBLE MATCH
CAGE,VALVE
C-9499 ITEM 8
5360-01-246-6509POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
C-9499 ITEM 7
4820-01-247-2608POSSIBLE MATCH
SEAT,VALVE
C-9499 ITEM 2
4820-01-255-6233POSSIBLE MATCH
GUIDE,VALVE PISTON
C-9499 ITEM 6
Frequently Asked Questions
What is NSN 4820-01-245-6914?
NSN 4820-01-245-6914 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-245-6914?
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-246-3297, 4820-01-246-6452, 5360-01-246-6509. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-245-6914?
Key specifications for 4820-01-245-6914: Overall Height: 0.563 INCHES NOMINAL IN; Outside Diameter: 8.605 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 0.840 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-245-6914 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.