PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BMC3479C E-1Valve,vacuum Breaking

Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 · NSN 4820-01-192-1525 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-192-1525 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-192-1525. Primary manufacturer part number: BMC3479C E-1.
Features
  • Valve,vacuum Breaking — FSC 4820
  • First End Connection Type: UNTHREADED INTERNAL PIPE
  • Material: COPPER ALLOY FLOW CONTROL DEVICE
  • Material: COPPER ALLOY BODY
  • Temp Rating: 185.0 FAHRENHEIT DEGF
  • Flow Control Device: PISTON, SPRING LOADED
  • Temp Adjustability: NOT ADJUSTABLE
  • Second End Relationship with First End: IDENTICAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Flow Control Device construction
General Description

The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-192-1525, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN4820-01-192-1525
Primary Part NumberBMC3479C E-1
Item NameValve,vacuum Breaking
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBidoro Mfg Co Po Box 103 Huntington Sta Ny 11746
StatusACTIVE
First End Connection TypeUNTHREADED INTERNAL PIPE
MaterialCOPPER ALLOY FLOW CONTROL DEVICE
MaterialCOPPER ALLOY BODY
Temp Rating185.0 FAHRENHEIT DEGF
Flow Control DevicePISTON, SPRING LOADED
Temp AdjustabilityNOT ADJUSTABLE
Second End Relationship with First EndIDENTICAL
First End Nominal Pipe Size Accommodated0.500 INCHES IN
Body StyleANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
End Connection Quantity2
Media for Which DesignedWATER, FRESH
First End Style DesignatorSOCKET W/BRAZING RING
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
4820-01-442-8532BMC3479 PART 12 INTERCHANGEABLE
Piston,valve
Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746
4820-01-509-1343 INTERCHANGEABLE
Valve,flow Control
Cross-Reference Index
Part NumberManufacturer
BMC3479C E-1 PRIMARY Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 (USA)
BMC3479 Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746 (USA)
Related Parts
4820-01-121-7889INTERCHANGEABLE
VALVE,VACUUM BREAKING
BMC3479E-1
4820-01-442-8532INTERCHANGEABLE
PISTON,VALVE
BMC3479 PART 12
4820-01-509-1343INTERCHANGEABLE
VALVE,FLOW CONTROL

Frequently Asked Questions

What is NSN 4820-01-192-1525?

NSN 4820-01-192-1525 is a Valve,vacuum Breaking, 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 4820-01-192-1525?

NSN 4820-01-192-1525 has 2 cross-referenced part numbers: BMC3479C E-1 (Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746), BMC3479 (Bidoro Mfg Co Po Box 103 Huntington Sta Ny 11746).

What NSN replaces 4820-01-192-1525?

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

What are the specifications of BMC3479C E-1?

Key specifications for BMC3479C E-1: First End Connection Type: UNTHREADED INTERNAL PIPE; Material: COPPER ALLOY FLOW CONTROL DEVICE; Material: COPPER ALLOY BODY; Temp Rating: 185.0 FAHRENHEIT DEGF. 12 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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