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Technical Data Sheet
PartsTable / COMPONENT / NB32966279
NB32966279 ✓ 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 DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_diameter: 0.344 INCHES NOMINAL IN, outside_diameter: 5.500 INCHES NOMINAL IN, style_designator: FLAT, material_thickness: 0.125 INCHES NOMINAL IN, bolt_circle_diameter: 4.875 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-268-8655, 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
NB32966279
NSN: 4820-01-268-8655
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialRUBBER
hole_diameter0.344 INCHES NOMINAL IN
outside_diameter5.500 INCHES NOMINAL IN
style_designatorFLAT
bolt_hole_quantity2
material_thickness0.125 INCHES NOMINAL IN
bolt_circle_diameter4.875 INCHES NOMINAL IN
center_hole_diameter0.625 INCHES NOMINAL IN
NSN4820-01-268-8655
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NB32966279 · 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
•
MATERIAL: RUBBER
•
STYLE DESIGNATOR: FLAT
•
HOLE DIAMETER: 0.344 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 4.875 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 2
•
OUTSIDE DIAMETER: 5.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER
STYLE DESIGNATORFLAT
HOLE DIAMETER0.344 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.625 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER4.875 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
OUTSIDE DIAMETER5.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
30 1-1/2IN 50T1Interchangeable
interchangeable cross-reference
interchangeable
MODEL 30 50T100 PSI 1 1/2 INInterchangeable
interchangeable cross-reference
interchangeable
N-731Interchangeable
interchangeable cross-reference
interchangeable
N-580Interchangeable
interchangeable cross-reference
interchangeable
217-587-45Interchangeable
interchangeable cross-reference
interchangeable
NC21758742Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NB32966279?
NB32966279 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace NB32966279?
There are 8 known substitutes for NB32966279: 30 1-1/2IN 50T1, MODEL 30 50T100 PSI 1 1/2 IN, N-731 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NB32966279?
NB32966279 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-268-8655. 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