The Disk,valve, cataloged under National Stock Number 4820-01-115-6844, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-115-6844
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
Media for Which Designed
WATER
Material
NICKEL ALLOY
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
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.
4820-01-115-7641POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)
4820-01-133-4101412-4678004 ITEM 11POSSIBLE MATCH
BAR,VALVE
Possible match (shared part number)Naval Ship Systems Command
5310-01-140-2080412-4678004 ITEM 20POSSIBLE MATCH
NUT,SEAL ADJUSTING
Possible match (shared part number)Naval Ship Systems Command
4820-01-169-9733412-4678004 ITEM 12POSSIBLE MATCH
HUB,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-211-5339412-4678004 ITEM 1POSSIBLE MATCH
MOUNT,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-249-9925POSSIBLE 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
412-4678004 ITEM 22
5/2Secondary reference
U.S. Government activity
87684-1504 ITEM 22
3/2Design control — primary reference
U.S. Government activity
87684-1504
D/9Drawing number reference only
U.S. Government activity
412-4678004
D/9Drawing number reference only
U.S. Government activity
Related Parts
4820-01-115-7641POSSIBLE MATCH
DISK,VALVE
4820-01-133-4101POSSIBLE MATCH
BAR,VALVE
412-4678004 ITEM 11
5310-01-140-2080POSSIBLE MATCH
NUT,SEAL ADJUSTING
412-4678004 ITEM 20
4820-01-169-9733POSSIBLE MATCH
HUB,VALVE
412-4678004 ITEM 12
4820-01-211-5339POSSIBLE MATCH
MOUNT,VALVE
412-4678004 ITEM 1
4820-01-249-9925POSSIBLE MATCH
STEM,FLUID VALVE
Frequently Asked Questions
What is NSN 4820-01-115-6844?
NSN 4820-01-115-6844 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-01-115-6844?
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-115-7641, 4820-01-133-4101, 5310-01-140-2080. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-01-115-6844?
Key specifications for 4820-01-115-6844: Overall Height: 5.730 INCHES NOMINAL IN; Media for Which Designed: WATER; Material: NICKEL ALLOY. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-115-6844 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.
What is the DEMIL code for NSN 4820-01-115-6844?
NSN 4820-01-115-6844 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.