PartsTable TECHNICAL DATA SHEET

NSN 4820-01-539-2012Government record, cited

Disk, Valve4820-01-539-2012

NSN 4820-01-539-2012 · NIIN 015392012 · Part number 517-204-040-370-000D

Emerson Automation Solutions Final Control Us Lp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04613

Government record, cited

NSN 4820-01-539-2012 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-539-2012. Manufacturer of record part number: 517-204-040-370-000D.

Also searched as 4820-01-539-2012 · 4820015392012 · NIIN 015392012 · 01-539-2012 · FSC 4820 Valves, Nonpowered · CAGE 04613 · 517-204-040-370-000D · 517-204-040-360-000 · SM0820-4.0IN ITEM 2A

Nearby stock numbers ← 4820-01-539-2011 Disk, Valve · 4820-01-539-2014 Disk, Valve →

4820-01-539-2012 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Emerson Automation Solutions Final Control Us Lp

Identification

NSN: 4820-01-539-2012
NIIN: 015392012
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 517-204-040-370-000D
Manufacturer: Emerson Automation Solutions Final Control Us Lp

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-539-2012, 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. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-539-2012
Primary Part Number	517-204-040-370-000D
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Emerson Automation Solutions Final Control Us Lp
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

Cross-Reference Index

Part Number	Manufacturer
517-204-040-370-000D PRIMARY	Emerson Automation Solutions Final Control Us Lp (USA)

Reference documents

Reference	Meaning
517-204-040-360-000	5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp
SM0820-4.0IN ITEM 2A	5/1 Secondary reference Emerson Automation Solutions Final Control Us Lp

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-539-2012?

NSN 4820-01-539-2012 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 4820-01-539-2012?

NSN 4820-01-539-2012 has 1 manufacturer part number on file: 517-204-040-370-000D (Emerson Automation Solutions Final Control Us Lp).

What are the specifications of 517-204-040-370-000D?

Key specifications for 517-204-040-370-000D: End Item Identification: VALVE, BUTTERFLY 4.0 INCH IN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-539-2012 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.

PartsTable Design LLC · partstable.com