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BMC-3479CCN — VALVE,VACUUM BREAKING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

BMC-3479CCN: VALVE,VACUUM BREAKING.

The VALVE,VACUUM BREAKING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, overall_height: 0.281 INCHES NOMINAL IN, overall_length: 0.850 INCHES NOMINAL IN, inside_diameter: 0.813 INCHES NOMINAL IN, outside_diameter: 1.375 INCHES NOMINAL IN, special_features: 1 5/8-12 UN-2A CONNECTING THD A. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-436-2073, 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
NSN: 4820-01-436-2073
NIINs: 014362073, 014362299, 014362678, 014362882, 014519162
FSC: 4820 — Valves, Nonpowered
CAGE: 23798 — BIDORO MFG CO PO BOX 103 HUNTINGTON STA NY 11746 (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
overall_height0.281 INCHES NOMINAL IN
overall_length0.850 INCHES NOMINAL IN
inside_diameter0.813 INCHES NOMINAL IN
outside_diameter1.375 INCHES NOMINAL IN
special_features1 5/8-12 UN-2A CONNECTING THD A
style_designatorPLAIN
flow_control_devicePISTON, FREE TYPE
body_inside_diameter0.870 INCHES NOMINAL IN
body_outside_diameter1.156 INCHES NOMINAL IN
seating_surface_shapeFLAT
end_connection_quantity2
NSN4820-01-436-2073
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: BMC-3479CCN · 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
•
BODY OUTSIDE DIAMETER: 1.156 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 0.870 INCHES NOMINAL IN
•
MATERIAL: RUBBER CHLOROPRENE OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.281 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.156 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER0.870 INCHES NOMINAL IN
END ITEM IDENTIFICATIONVALVE,VACUUM BREAKER;BIDORO MFG.CO,MODEL BMC-3479CCN
MATERIALRUBBER CHLOROPRENE OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BMC-3479CCN?
BMC-3479CCN is a VALVE,VACUUM BREAKING.
What is the NSN for BMC-3479CCN?
BMC-3479CCN is cataloged in the U.S. Government catalog under NSN 4820-01-436-2073. 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.