PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30-01-03Stem,fluid Valve

Bay State Controls Corporation · NSN 4820-01-344-9335 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-344-9335 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-344-9335. Primary manufacturer part number: 30-01-03.
Features
  • Stem,fluid Valve — FSC 4820
  • Largest Outside Diameter: 0.620 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY
  • Furnished Items and Quantity: 1 DISK
  • 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 Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-344-9335, 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 3 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-344-9335
Primary Part Number30-01-03
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBay State Controls Corporation
StatusACTIVE
Largest Outside Diameter0.620 INCHES NOMINAL IN
MaterialALUMINUM ALLOY
Furnished Items and Quantity1 DISK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5910-00-552-1285 INTERCHANGEABLE
Retainer,capacitor
4730-01-118-3932300126-102 INTERCHANGEABLE
Flange,pipe
Oil States Industries, Inc. Div Special Products Div
4730-01-182-0893300103-100 INTERCHANGEABLE
Adapter,straight,flange to Flang
Oil States Industries, Inc. Div Special Products Div
4730-01-210-4428300103-200 INTERCHANGEABLE
Adapter,straight,flange to Boss
Oil States Industries, Inc. Div Special Products Div
5950-01-347-2152300103 INTERCHANGEABLE
Transformer,power
Astronics Test Systems Inc
6520-01-368-358890-0071 INTERCHANGEABLE
Valve Assembly,dental Unit
Dntlworks Equipment Corporation
6550-01-376-651330-0103 INTERCHANGEABLE
Control Set,human Chorionic Gona
V-Tech Inc
5915-01-669-8465ZABP-16+ INTERCHANGEABLE
Filter,band Pass
Scientific Components Corp Dba Mini-Circuits
Cross-Reference Index
Part NumberManufacturer
30-01-03 Bay State Controls Corporation (USA)
Related Parts
5910-00-552-1285INTERCHANGEABLE
RETAINER,CAPACITOR
4730-01-118-3932INTERCHANGEABLE
FLANGE,PIPE
300126-102
4730-01-182-0893INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO FLANG
300103-100
4730-01-210-4428INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO BOSS
300103-200
5950-01-347-2152INTERCHANGEABLE
TRANSFORMER,POWER
300103
6520-01-368-3588INTERCHANGEABLE
VALVE ASSEMBLY,DENTAL UNIT
90-0071
6550-01-376-6513INTERCHANGEABLE
CONTROL SET,HUMAN CHORIONIC GONA
30-0103
5915-01-669-8465INTERCHANGEABLE
FILTER,BAND PASS
ZABP-16+

Frequently Asked Questions

What is NSN 4820-01-344-9335?

NSN 4820-01-344-9335 is a Stem,fluid Valve, manufactured by Bay State Controls Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-344-9335?

NSN 4820-01-344-9335 has 1 cross-referenced part number: 30-01-03 (Bay State Controls Corporation).

What NSN replaces 4820-01-344-9335?

There are 8 known substitutes for 4820-01-344-9335: 5910-00-552-1285, 4730-01-118-3932, 4730-01-182-0893 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30-01-03?

Key specifications for 30-01-03: Largest Outside Diameter: 0.620 INCHES NOMINAL IN; Material: ALUMINUM ALLOY; Overall Length: 7.600 INCHES NOMINAL IN; Furnished Items and Quantity: 1 DISK. 4 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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