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BMC-3479CCN PART 12 — VALVE,VACUUM BREAKING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

BMC-3479CCN PART 12: VALVE,VACUUM BREAKING.

The VALVE,VACUUM BREAKING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 0.363 INCHES NOMINAL IN, inside_diameter: 0.813 INCHES NOMINAL IN, outside_diameter: 1.344 INCHES NOMINAL IN, valve_design_control_activity: 23798, valve_size_for_which_designed: 1.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-436-2299, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
BMC-3479CCN PART 12
NSN: 4820-01-436-2299
FSC: 4820 — Valves, Nonpowered
CAGE: 23798 — BIDORO MFG CO PO BOX 103 HUNTINGTON STA NY 11746 (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length0.363 INCHES NOMINAL IN
inside_diameter0.813 INCHES NOMINAL IN
outside_diameter1.344 INCHES NOMINAL IN
valve_design_control_activity23798
valve_size_for_which_designed1.000 INCHES IN
material_document_and_classificationASTM B144 ASSN STD ALL MATERIAL RESPONSES
valve_model_number_for_which_designedBMC-3479CCN
NSN4820-01-436-2299
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: BMC-3479CCN PART 12 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: BMC-3479CCN
•
OUTSIDE DIAMETER: 1.344 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B144 ASSN STD ALL MATERIAL RESPONSES
•
VALVE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
•
INSIDE DIAMETER: 0.813 INCHES NOMINAL IN
•
VALVE DESIGN CONTROL ACTIVITY: 23798
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
VALVE MODEL NUMBER FOR WHICH DESIGNEDBMC-3479CCN
OUTSIDE DIAMETER1.344 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B144 ASSN STD ALL MATERIAL RESPONSES
OVERALL LENGTH0.363 INCHES NOMINAL IN
VALVE SIZE FOR WHICH DESIGNED1.000 INCHES IN
INSIDE DIAMETER0.813 INCHES NOMINAL IN
VALVE DESIGN CONTROL ACTIVITY23798
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
BMC-3479CCNReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BMC-3479CCN PART 12?
BMC-3479CCN PART 12 is a VALVE,VACUUM BREAKING.
What parts can replace BMC-3479CCN PART 12?
There is 1 known substitute for BMC-3479CCN PART 12: BMC-3479CCN. Substitute compatibility should be verified for your specific system.
What is the NSN for BMC-3479CCN PART 12?
BMC-3479CCN PART 12 is cataloged in the U.S. Government catalog under NSN 4820-01-436-2299. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.