NSN 4820-01-118-8571 · NIIN 011188571 · Part number 761-204-200-640-000
Emerson Automation Solutions Final Control Us Lp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04613
Government record, cited
NSN 4820-01-118-8571 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-118-8571. Manufacturer of record part number: 761-204-200-640-000.
Pressure Rating: 15.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Outside Diameter: 20.000 INCHES NOMINAL IN
Style Designator: BUTTERFLY
Material Document and Classification: ASTM B26, ALLOY 713.0, ZC81A ASSN STD SINGLE MATERIAL RESPONSE
Material: ALUMINUM ALLOY 713.0
2 manufacturer part numbers on file
Manufacturer of record: Emerson Automation Solutions Final Control Us Lp
Identification
NSN: 4820-01-118-8571
NIIN: 011188571
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 761-204-200-640-000
Manufacturer: Emerson Automation Solutions Final Control Us Lp
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-118-8571, 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. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-118-8571
Primary Part Number
761-204-200-640-000
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Emerson Automation Solutions Final Control Us Lp
Status
ACTIVE
Pressure Rating
15.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Outside Diameter
20.000 INCHES NOMINAL IN
Style Designator
BUTTERFLY
Material Document and Classification
ASTM B26, ALLOY 713.0, ZC81A ASSN STD SINGLE MATERIAL RESPONSE
Material
ALUMINUM ALLOY 713.0
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.
4820-01-118-8573761-204-080-100-016POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp
4820-01-119-0587304-206-035-100-003POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp
4820-01-124-7964761-204-100-100-016POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Lexair Inc
4820-01-161-667239-2-1POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp
Emerson Automation Solutions Final Control Us Lp (USA)
Reference documents
Reference
Meaning
204-200-640-000
C/1Advisory reference — outside the item-of-supply concept
Emerson Automation Solutions Final Control Us Lp
39-2-1
D/9Drawing number reference only
Emerson Automation Solutions Final Control Us Lp
Related Parts
4820-01-118-8573POSSIBLE MATCH
DISK,VALVE
761-204-080-100-016
4820-01-119-0587POSSIBLE MATCH
SEAT,VALVE
304-206-035-100-003
4820-01-124-7964POSSIBLE MATCH
DISK,VALVE
761-204-100-100-016
4820-01-161-6672POSSIBLE MATCH
DISK,VALVE
39-2-1
4820-01-168-1978POSSIBLE MATCH
PARTS KIT,VENT VALVE
113-935-100-100-001
6520-01-180-3234POSSIBLE MATCH
CROWN,DENTAL,TEMPORARY
Frequently Asked Questions
What is NSN 4820-01-118-8571?
NSN 4820-01-118-8571 is a Disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-118-8571?
NSN 4820-01-118-8571 has 2 manufacturer part numbers on file: 761-204-200-640-000 (Emerson Automation Solutions Final Control Us Lp), 39-2-1 ITEM 2 (Emerson Automation Solutions Final Control Us Lp).
What NSN replaces 4820-01-118-8571?
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-118-8573, 4820-01-119-0587, 4820-01-124-7964. Verify interchangeability with system specifications before substitution.
What are the specifications of 761-204-200-640-000?
Key specifications for 761-204-200-640-000: Pressure Rating: 15.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Outside Diameter: 20.000 INCHES NOMINAL IN; Style Designator: BUTTERFLY; Material Document and Classification: ASTM B26, ALLOY 713.0, ZC81A ASSN STD SINGLE MATERIAL RESPONSE. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-118-8571 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.