NSN 4820-01-451-0720 · NIIN 014510720 · Part number 15481001000
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 15187
Government record, cited
NSN 4820-01-451-0720 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-451-0720. Manufacturer of record part number: 15481001000.
Manufacturer of record: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Identification
NSN: 4820-01-451-0720
NIIN: 014510720
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 15481001000
Manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-451-0720, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
4820-01-451-0720
Primary Part Number
15481001000
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Status
ACTIVE
Style Designator
POPPET
Material
NICKEL ALLOY
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.
4820-01-487-0393POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)
4820-01-488-9732SW14402E0035POSSIBLE MATCH
VALVE,RELIEF,PRESSURE AND TEMPER
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-488-9738SW14402E0041POSSIBLE MATCH
VALVE,RELIEF,PRESSURE AND TEMPER
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-488-9746SW14402E0046POSSIBLE MATCH
VALVE,RELIEF,PRESSURE AND TEMPER
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-629-4656POSSIBLE MATCH
VALVE,RELIEF,PRESSURE AND TEMPER
Possible match (shared part number)
4820-01-711-0763SW14403E0042POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Reference documents
Reference
Meaning
SW144 FIND 6
5/9Secondary reference
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
B15481.001.000
5/9Secondary reference
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
SW144 FIND 6
C/1Advisory reference — outside the item-of-supply concept
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
SW144
D/9Drawing number reference only
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
B15481.001.000
5/9Secondary reference
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Related Parts
4820-01-487-0393POSSIBLE MATCH
VALVE,SAFETY RELIEF
4820-01-488-9732POSSIBLE MATCH
VALVE,RELIEF,PRESSURE AND TEMPER
SW14402E0035
4820-01-488-9738POSSIBLE MATCH
VALVE,RELIEF,PRESSURE AND TEMPER
SW14402E0041
4820-01-488-9746POSSIBLE MATCH
VALVE,RELIEF,PRESSURE AND TEMPER
SW14402E0046
4820-01-629-4656POSSIBLE MATCH
VALVE,RELIEF,PRESSURE AND TEMPER
4820-01-711-0763POSSIBLE MATCH
VALVE,SAFETY RELIEF
SW14403E0042
Frequently Asked Questions
What is NSN 4820-01-451-0720?
NSN 4820-01-451-0720 is a Disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-451-0720?
NSN 4820-01-451-0720 has 1 manufacturer part number on file: 15481001000 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
What NSN replaces 4820-01-451-0720?
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-487-0393, 4820-01-488-9732, 4820-01-488-9738. Verify interchangeability with system specifications before substitution.
What are the specifications of 15481001000?
Key specifications for 15481001000: Style Designator: POPPET; End Item Identification: SEAWOLF CLASS SSN; Material: NICKEL ALLOY. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-451-0720 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.