NSN 4810-01-483-2256 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-483-2256. Manufacturer of record part number: 845-7108906.
The Stem,fluid Valve, cataloged under National Stock Number 4810-01-483-2256, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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.
Catalog Facts
Item Name
Stem,fluid Valve
FSC / FSG
4810 — Valves, Powered (FSG 48)
Manufacturers
Naval Sea Systems Command (CAGE 53711)
Technical Specifications
Parameter
Value
NSN
4810-01-483-2256
Primary Part Number
845-7108906
Item Name
Stem,fluid Valve
FSC / FSG
4810 / 48 — Valves, Powered
Manufacturer
Naval Sea Systems Command
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-487-78172643-744-01 ASSY CPOSSIBLE MATCH
VALVE,BALL
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-487-78222643-744-01 ITEM 42POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
3040-01-488-6202845-7108906 ITEM 44POSSIBLE MATCH
CAM,CONTROL
Possible match (shared part number)Naval Sea Systems Command
5365-01-734-3415845-7108906 ITEM 15POSSIBLE MATCH
SPACER,RING
Possible match (shared part number)Naval Sea Systems Command
5315-01-734-9349845-7108906 ITEM 18POSSIBLE MATCH
PIN,STRAIGHT,HEADED
Possible match (shared part number)Naval Sea Systems Command
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
2640-801X1 PC 1
C/1Advisory reference — outside the item-of-supply concept
U.S. Government activity
Related Parts
4820-01-487-7817POSSIBLE MATCH
VALVE,BALL
2643-744-01 ASSY C
4820-01-487-7822POSSIBLE MATCH
STEM,FLUID VALVE
2643-744-01 ITEM 42
3040-01-488-6202POSSIBLE MATCH
CAM,CONTROL
845-7108906 ITEM 44
5365-01-734-3415POSSIBLE MATCH
SPACER,RING
845-7108906 ITEM 15
5315-01-734-9349POSSIBLE MATCH
PIN,STRAIGHT,HEADED
845-7108906 ITEM 18
Frequently Asked Questions
What is NSN 4810-01-483-2256?
NSN 4810-01-483-2256 is a Stem,fluid Valve, manufactured by Naval Sea Systems Command, classified under FSC 4810, Valves, Powered. Status: active.
What part numbers are listed for NSN 4810-01-483-2256?
NSN 4810-01-483-2256 has 1 manufacturer part number on file: 845-7108906 (Naval Sea Systems Command).
What NSN replaces 4810-01-483-2256?
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-487-7817, 4820-01-487-7822, 3040-01-488-6202. Verify interchangeability with system specifications before substitution.
Is NSN 4810-01-483-2256 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.