PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15-01-03Disk,valve

Bay State Controls Corporation · NSN 4820-01-344-9435 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-344-9435 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-344-9435. Primary manufacturer part number: 15-01-03.
Features
  • Disk,valve — FSC 4820
  • Material: ALUMINUM AND COPPER ALLOY
  • Media for Which Designed: WATER
  • 1 verified cross-reference
  • Primary manufacturer: Bay State Controls Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum and Copper Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-344-9435, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bay State Controls Corporation. Government technical data includes 2 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-344-9435
Primary Part Number15-01-03
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBay State Controls Corporation
StatusACTIVE
MaterialALUMINUM AND COPPER ALLOY
Media for Which DesignedWATER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-501-9419 INTERCHANGEABLE
Terminal,stud
7510-00-545-2807157603 INTERCHANGEABLE
Typing Element
Telemechanics Inc
5935-00-678-9774 INTERCHANGEABLE
Socket,plug-in Electronic Compon
5935-01-331-52151501-03 INTERCHANGEABLE
Jack,tip
Dialight Corporation
5920-01-567-46340099-6729-00 INTERCHANGEABLE
Fuse,cartridge
Rohde & Schwarz Usa, Inc.
Cross-Reference Index
Part NumberManufacturer
15-01-03 Bay State Controls Corporation (USA)
Related Parts
5940-00-501-9419INTERCHANGEABLE
TERMINAL,STUD
7510-00-545-2807INTERCHANGEABLE
TYPING ELEMENT
157603
5935-00-678-9774INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
5935-01-331-5215INTERCHANGEABLE
JACK,TIP
1501-03
5920-01-567-4634INTERCHANGEABLE
FUSE,CARTRIDGE
0099-6729-00

Frequently Asked Questions

What is NSN 4820-01-344-9435?

NSN 4820-01-344-9435 is a Disk,valve, manufactured by Bay State Controls Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-344-9435?

NSN 4820-01-344-9435 has 1 cross-referenced part number: 15-01-03 (Bay State Controls Corporation).

What NSN replaces 4820-01-344-9435?

There are 5 known substitutes for 4820-01-344-9435: 5940-00-501-9419, 7510-00-545-2807, 5935-00-678-9774 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15-01-03?

Key specifications for 15-01-03: Material: ALUMINUM AND COPPER ALLOY; Media for Which Designed: WATER. 2 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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