NSN 4810-01-495-0643 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-495-0643. Manufacturer of record part number: 845-7286647 ASSY B.
Also searched as4810-01-495-0643 ·
4810014950643 ·
NIIN 014950643 ·
01-495-0643 ·
FSC 4810 Valves, Powered · CAGE 53711 · 845-7286647 ASSY B · 2643-822-62 ASSY B · 845-7286647
The Valve,ball, cataloged under National Stock Number 4810-01-495-0643, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
Valve,ball
FSC / FSG
4810 — Valves, Powered (FSG 48)
Manufacturers
Naval Sea Systems Command (CAGE 53711)
Technical Specifications
Parameter
Value
NSN
4810-01-495-0643
Primary Part Number
845-7286647 ASSY B
Item Name
Valve,ball
FSC / FSG
4810 / 48 — Valves, Powered
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL D — Destroy Item
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-01-495-0737845-7286647 ITEM 49POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
5331-01-690-0445845-7286647-ITEM NO-22POSSIBLE MATCH
O-RING
Possible match (shared part number)Naval Sea Systems Command
5310-01-733-3651845-7286647 ITEM 45POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
4820-01-733-4513845-7286647 ASSY CPOSSIBLE MATCH
VALVE,BALL
Possible match (shared part number)Naval Sea Systems Command
NSN 4810-01-495-0643 is a Valve,ball, manufactured by Naval Sea Systems Command, classified under FSC 4810, Valves, Powered. Status: active.
What part numbers are listed for NSN 4810-01-495-0643?
NSN 4810-01-495-0643 has 1 manufacturer part number on file: 845-7286647 ASSY B (Naval Sea Systems Command).
What NSN replaces 4810-01-495-0643?
4 possible matches (shared part number, not a government interchangeability claim): 3120-01-495-0737, 5331-01-690-0445, 5310-01-733-3651. Verify interchangeability with system specifications before substitution.
Is NSN 4810-01-495-0643 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 4810-01-495-0643?
NSN 4810-01-495-0643 has DEMIL Code D. 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.