PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43124Disk,valve

Spirax Sarco Inc Dba Spirax Sarco · NSN 4820-00-712-1455 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-712-1455 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-712-1455. Primary manufacturer part number: 43124.
Features
  • Disk,valve — FSC 4820
  • Style Designator: PLUG
  • Nominal Thread Size: 0.312 INCHES IN
  • Thread Series Designator: UNF
  • Material: STEEL CORROSION RESISTING
  • Outside Diameter: 0.651 INCHES NOMINAL IN
  • Seat Angle: 32.0 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 4820-00-712-1455, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-712-1455
Primary Part Number43124
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusACTIVE
Style DesignatorPLUG
Nominal Thread Size0.312 INCHES IN
Thread Series DesignatorUNF
MaterialSTEEL CORROSION RESISTING
Outside Diameter0.651 INCHES NOMINAL IN
Seat Angle32.0 DEGREES NOMINAL
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-01-186-9398SM-A-984795 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-01-212-5382 INTERCHANGEABLE
Adapter,switch Actuator
4320-01-240-8468 INTERCHANGEABLE
Pump Unit,rotary
3130-01-274-820243124 INTERCHANGEABLE
Cap,pillow Block
Insinger Machine Co
6625-01-284-40557912291-00 INTERCHANGEABLE
Divider,power,radio Frequency
L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West
4820-01-374-057343124 INTERCHANGEABLE
Spool,sleeve Assembly
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5305-01-435-477543124 INTERCHANGEABLE
Screw,machine
Dana Light Axle Products, Llc Dba Dana Light Axle Products
Cross-Reference Index
Part NumberManufacturer
43124 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
Related Parts
5950-01-186-9398INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SM-A-984795
5930-01-212-5382INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
4320-01-240-8468INTERCHANGEABLE
PUMP UNIT,ROTARY
3130-01-274-8202INTERCHANGEABLE
CAP,PILLOW BLOCK
43124
6625-01-284-4055INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
7912291-00
4820-01-374-0573INTERCHANGEABLE
SPOOL,SLEEVE ASSEMBLY
43124
5305-01-435-4775INTERCHANGEABLE
SCREW,MACHINE
43124

Frequently Asked Questions

What is NSN 4820-00-712-1455?

NSN 4820-00-712-1455 is a Disk,valve, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-712-1455?

NSN 4820-00-712-1455 has 1 cross-referenced part number: 43124 (Spirax Sarco Inc Dba Spirax Sarco).

What NSN replaces 4820-00-712-1455?

There are 7 known substitutes for 4820-00-712-1455: 5950-01-186-9398, 5930-01-212-5382, 4320-01-240-8468 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43124?

Key specifications for 43124: Style Designator: PLUG; Nominal Thread Size: 0.312 INCHES IN; Thread Series Designator: UNF; Material: STEEL CORROSION RESISTING. 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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