PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BMC-3479Valve,flow Control

Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 · NSN 4820-01-509-1343 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-509-1343 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-509-1343. Primary manufacturer part number: BMC-3479.
Features
  • Valve,flow Control — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 1 verified cross-reference
  • Primary manufacturer: Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-509-1343, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-509-1343
Primary Part NumberBMC-3479
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBidoro Mfg Co Po Box 103 Huntington Sta Ny 11746
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-01-121-7889BMC3479E-1 INTERCHANGEABLE
Valve,vacuum Breaking
Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746
4820-01-192-1525BMC3479C E-1 INTERCHANGEABLE
Valve,vacuum Breaking
Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746
4820-01-442-8532BMC3479 PART 12 INTERCHANGEABLE
Piston,valve
Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746
Cross-Reference Index
Part NumberManufacturer
BMC-3479 Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 (USA)
Related Parts
4820-01-121-7889INTERCHANGEABLE
VALVE,VACUUM BREAKING
BMC3479E-1
4820-01-192-1525INTERCHANGEABLE
VALVE,VACUUM BREAKING
BMC3479C E-1
4820-01-442-8532INTERCHANGEABLE
PISTON,VALVE
BMC3479 PART 12

Frequently Asked Questions

What is NSN 4820-01-509-1343?

NSN 4820-01-509-1343 is a Valve,flow Control, manufactured by Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-509-1343?

NSN 4820-01-509-1343 has 1 cross-referenced part number: BMC-3479 (Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746).

What NSN replaces 4820-01-509-1343?

There are 3 known substitutes for 4820-01-509-1343: 4820-01-121-7889, 4820-01-192-1525, 4820-01-442-8532. Verify interchangeability with system specifications before substitution.

What are the specifications of BMC-3479?

Key specifications for BMC-3479: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 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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