NSN 4820-01-497-6152 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-497-6152. Manufacturer of record part number: 803-5348084-4XX-24.
The Guide,valve Stem, cataloged under National Stock Number 4820-01-497-6152, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-497-6152
Primary Part Number
803-5348084-4XX-24
Item Name
Guide,valve Stem
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Style Designator
PLAIN
Bore Counterbore
NOT INCLUDED
Outside Diameter
3.500 INCHES NOMINAL IN
Bore Diameter
3.0680 INCHES NOMINAL IN
Material
COPPER ALLOY
Bore Countersink
NOT INCLUDED
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 Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-01-497-6366803-5348084-XXX-18POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-497-6384803-5348084-4XX-11POSSIBLE MATCH
NOZZLE,VALVE
Possible match (shared part number)Naval Sea Systems Command
5365-01-497-6391803-5348084-XXX-20POSSIBLE MATCH
RING,EXTERNALLY THREADED
Possible match (shared part number)Naval Sea Systems Command
4820-01-497-6417803-5348084-XXX-17POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Naval Sea Systems Command
4820-01-497-6428803-5348084-XXX-23POSSIBLE MATCH
INDICATOR,VALVE OPENING
Possible match (shared part number)Naval Sea Systems Command
4820-01-497-6975803-5348084-4XX-25POSSIBLE MATCH
GUIDE,VALVE STEM
Possible match (shared part number)Naval Sea Systems Command
4820-01-643-8369POSSIBLE MATCH
GUIDE,VALVE STEM
Possible match (shared part number)
4730-01-713-8974803-5348084-4XX-40POSSIBLE MATCH
PLUG,PIPE
Possible match (shared part number)Naval Sea Systems Command
5310-01-714-3864803-5348084-XXX-47POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
4820-01-714-39748840924-RCW-41-5348084-461-24POSSIBLE MATCH
GUIDE,VALVE STEM
Possible match (shared part number)Naval Sea Systems Command
NSN 4820-01-497-6152 is a Guide,valve Stem, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-497-6152?
NSN 4820-01-497-6152 has 2 manufacturer part numbers on file: 803-5348084-4XX-24 (Naval Sea Systems Command), 803-5348084-XXX-24 (Naval Sea Systems Command).
What NSN replaces 4820-01-497-6152?
10 possible matches (shared part number, not a government interchangeability claim): 3120-01-497-6366, 4820-01-497-6384, 5365-01-497-6391. Verify interchangeability with system specifications before substitution.
What are the specifications of 803-5348084-4XX-24?
Key specifications for 803-5348084-4XX-24: Style Designator: PLAIN; Overall Length: 5.000 INCHES NOMINAL IN; Bore Counterbore: NOT INCLUDED; Outside Diameter: 3.500 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-497-6152 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.