NSN 4810-01-476-3856 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-476-3856. Manufacturer of record part number: 845-7286651 ITEM 13.
The Seat,valve, cataloged under National Stock Number 4810-01-476-3856, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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.
Catalog Facts
Item Name
Seat,valve
FSC / FSG
4810 — Valves, Powered (FSG 48)
Manufacturers
Naval Sea Systems Command (CAGE 53711)
Technical Specifications
Parameter
Value
NSN
4810-01-476-3856
Primary Part Number
845-7286651 ITEM 13
Item Name
Seat,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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4810-01-476-3889845-7286651 ITEM 37POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Naval Sea Systems Command
4730-01-476-4166845-7286651 ITEM 15POSSIBLE MATCH
PACKING NUT
Possible match (shared part number)Naval Sea Systems Command
3040-01-483-4568845-7108907 ITEM 14POSSIBLE MATCH
CAM,CONTROL
Possible match (shared part number)Naval Sea Systems Command
5365-01-668-65652643-825-91 ITEM 14POSSIBLE MATCH
SHIM
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
5305-01-723-7342845-7286651 ITEM NO 28POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Naval Sea Systems Command
NSN 4810-01-476-3856 is a Seat,valve, manufactured by Naval Sea Systems Command, classified under FSC 4810, Valves, Powered. Status: active.
What part numbers are listed for NSN 4810-01-476-3856?
NSN 4810-01-476-3856 has 1 manufacturer part number on file: 845-7286651 ITEM 13 (Naval Sea Systems Command).
What NSN replaces 4810-01-476-3856?
6 possible matches (shared part number, not a government interchangeability claim): 4810-01-476-3889, 4730-01-476-4166, 3040-01-483-4568. Verify interchangeability with system specifications before substitution.
Is NSN 4810-01-476-3856 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.