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PartsTable / COMPONENT / BMC3479 PART 12
BMC3479 PART 12 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 0.706 INCHES NOMINAL IN, inside_diameter: 0.656 INCHES NOMINAL IN, outside_diameter: 1.094 INCHES NOMINAL IN, features_provided: THREADED, end_item_identification: 3805-01-431-1165; SHIP, OHIO CLASS SSN (TRIDENT). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-442-8532, 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
BMC3479 PART 12
NSN: 4820-01-442-8532
FSC: 4820
CAGE: 23798 — BIDORO MFG CO PO BOX 103 HUNTINGTON STA NY 11746 (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length0.706 INCHES NOMINAL IN
inside_diameter0.656 INCHES NOMINAL IN
outside_diameter1.094 INCHES NOMINAL IN
features_providedTHREADED
end_item_identification3805-01-431-1165; SHIP, OHIO CLASS SSN (TRIDENT)
valve_design_control_activity23798
valve_size_for_which_designed0.500 INCHES IN
valve_type_for_which_designedVALVE EQUALIZING
material_document_and_classificationASTM B144 ALLOY 3B ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designedE-1
NSN4820-01-442-8532
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: BMC3479 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
•
INSIDE DIAMETER: 0.656 INCHES NOMINAL IN
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: E-1
•
VALVE DESIGN CONTROL ACTIVITY: 23798
•
MATERIAL: COPPER ALLOY
•
VALVE TYPE FOR WHICH DESIGNED: VALVE EQUALIZING
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B144 ALLOY 3B ASSN STD SINGLE MATERIAL RESPONSE
•
FEATURES PROVIDED: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.656 INCHES NOMINAL IN
VALVE MODEL NUMBER FOR WHICH DESIGNEDE-1
VALVE DESIGN CONTROL ACTIVITY23798
END ITEM IDENTIFICATION3805-01-431-1165; SHIP, OHIO CLASS SSN (TRIDENT)
MATERIALCOPPER ALLOY
VALVE TYPE FOR WHICH DESIGNEDVALVE EQUALIZING
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B144 ALLOY 3B ASSN STD SINGLE MATERIAL RESPONSE
FEATURES PROVIDEDTHREADED
OUTSIDE DIAMETER1.094 INCHES NOMINAL IN
OVERALL LENGTH0.706 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
BMC3479E-1Interchangeable
interchangeable cross-reference
interchangeable
3479Interchangeable
interchangeable cross-reference
interchangeable
BMC-3479Interchangeable
interchangeable cross-reference
interchangeable
BMC3479C E-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BMC3479 PART 12?
BMC3479 PART 12 is a PISTON,VALVE.
What parts can replace BMC3479 PART 12?
There are 4 known substitutes for BMC3479 PART 12: BMC3479E-1, 3479, BMC-3479 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BMC3479 PART 12?
BMC3479 PART 12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-442-8532. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026