PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B12720.001.119Disk,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-050-9212 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-050-9212 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-050-9212. Primary manufacturer part number: B12720.001.119.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Nominal Thread Size: 0.437 INCHES IN
  • Outside Diameter: 1.000 INCHES NOMINAL IN
  • Thread Series Designator: UNF
  • Style Designator: PLUG
  • Seat Angle: 45.0 DEGREES NOMINAL
  • Thread Class: 2B
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-050-9212, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-050-9212
Primary Part NumberB12720.001.119
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Nominal Thread Size0.437 INCHES IN
Outside Diameter1.000 INCHES NOMINAL IN
Thread Series DesignatorUNF
Style DesignatorPLUG
Seat Angle45.0 DEGREES NOMINAL
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-045-942420306 INTERCHANGEABLE
Seat,helical Compression Spring
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5940-00-271-7987414 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
2540-00-273-713115461 INTERCHANGEABLE
Blade,windshield Wiper
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
3110-00-554-6106 INTERCHANGEABLE
Bearing,ball,annular
5975-00-561-48442140 INTERCHANGEABLE
Box Connector,electrical
Raco, a Division of Hubbell Incorporated(delaware)
6515-00-584-289342351 04 01 INTERCHANGEABLE
Infusor,pressure,blood Collectin
Icu Medical, Inc.
3455-00-596-516150-10515 4533-6 INTERCHANGEABLE
Reamer,machine
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4730-01-032-6038246090N INTERCHANGEABLE
Insert,tube Fitting
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
4820-01-050-755512719001156 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5365-01-190-0824CB27161X01-022 INTERCHANGEABLE
Shim
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
12720001119 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
12720001129 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
B12720.001.119 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20306 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20306PIECE6 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
B12720.001.119 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20306PIECE6 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5340-00-045-9424INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
20306
5940-00-271-7987INTERCHANGEABLE
TERMINAL,LUG
414
2540-00-273-7131INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
15461
3110-00-554-6106INTERCHANGEABLE
BEARING,BALL,ANNULAR
5975-00-561-4844INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2140
6515-00-584-2893INTERCHANGEABLE
INFUSOR,PRESSURE,BLOOD COLLECTIN
42351 04 01
3455-00-596-5161INTERCHANGEABLE
REAMER,MACHINE
50-10515 4533-6
4730-01-032-6038INTERCHANGEABLE
INSERT,TUBE FITTING
246090N
4820-01-050-7555INTERCHANGEABLE
SEAT,VALVE
12719001156
5365-01-190-0824INTERCHANGEABLE
SHIM
CB27161X01-022
5920-01-216-5216INTERCHANGEABLE
FUSEHOLDER,BLOCK
20306
5330-01-255-6782INTERCHANGEABLE
PACKING,PREFORMED
20306

Frequently Asked Questions

What is NSN 4820-01-050-9212?

NSN 4820-01-050-9212 is a Disk,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-050-9212?

NSN 4820-01-050-9212 has 7 cross-referenced part numbers: 12720001119 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 12720001129 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), B12720.001.119 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20306 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20306PIECE6 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 2 more.

What NSN replaces 4820-01-050-9212?

There are 12 known substitutes for 4820-01-050-9212: 5340-00-045-9424, 5940-00-271-7987, 2540-00-273-7131 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B12720.001.119?

Key specifications for B12720.001.119: Material: STEEL CORROSION RESISTING; Nominal Thread Size: 0.437 INCHES IN; Outside Diameter: 1.000 INCHES NOMINAL IN; Thread Series Designator: UNF. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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