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Technical Data Sheet

V-3281-1/2IN — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

V-3281-1/2IN: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, valve_size: 0.500 INCHES0.500 INCHES IN, flange_shape: ROUND WITH HOLES FIRST ENDROUND WITH HOLES FIRST END, connection_type: FLANGE FIRST ENDFLANGE FIRST END, style_designator: STRAIGHT THRU FLANGED ENDSSTRAIGHT THRU FLANGED ENDS, nominal_thickness: 0.688 INCHES FIRST END0.688 INCHES FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-185-2297, 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
V-3281-1/2IN
NSN: 4820-01-185-2297
FSC: 4820 — Valves, Nonpowered
CAGE: 53154 — PORTLAND VALVE LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
valve_size0.500 INCHES0.500 INCHES IN
flange_shapeROUND WITH HOLES FIRST ENDROUND WITH HOLES FIRST END
connection_typeFLANGE FIRST ENDFLANGE FIRST END
style_designatorSTRAIGHT THRU FLANGED ENDSSTRAIGHT THRU FLANGED ENDS
nominal_thickness0.688 INCHES FIRST END0.688 INCHES FIRST END IN
bolt_hole_quantity3 FIRST END3 FIRST END
flange_face_designPLAIN FIRST ENDPLAIN FIRST END
face_to_face_distance4.000 INCHES4.000 INCHES IN
valve_operation_methodMANUALMANUAL
bolt_hole_nominal_diameter0.562 INCHES FIRST END0.562 INCHES FIRST END IN
bolt_circle_nominal_diameter2.438 INCHES FIRST END2.438 INCHES FIRST END IN
NSN4820-01-185-2297
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: V-3281-1/2IN · 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
•
FLANGE SHAPE: ROUND WITH HOLES FIRST ENDROUND WITH HOLES FIRST END
•
FLANGE FACE DESIGN: PLAIN FIRST ENDPLAIN FIRST END
•
BOLT CIRCLE NOMINAL DIAMETER: 2.438 INCHES FIRST END2.438 INCHES FIRST END IN
•
CONNECTION TYPE: FLANGE FIRST ENDFLANGE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDSSTRAIGHT THRU FLANGED ENDS
•
BOLT HOLE NOMINAL DIAMETER: 0.562 INCHES FIRST END0.562 INCHES FIRST END IN
•
VALVE SIZE: 0.500 INCHES0.500 INCHES IN
•
BOLT HOLE QUANTITY: 3 FIRST END3 FIRST END
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES FIRST ENDROUND WITH HOLES FIRST END
FLANGE FACE DESIGNPLAIN FIRST ENDPLAIN FIRST END
BOLT CIRCLE NOMINAL DIAMETER2.438 INCHES FIRST END2.438 INCHES FIRST END IN
CONNECTION TYPEFLANGE FIRST ENDFLANGE FIRST END
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDSSTRAIGHT THRU FLANGED ENDS
BOLT HOLE NOMINAL DIAMETER0.562 INCHES FIRST END0.562 INCHES FIRST END IN
VALVE SIZE0.500 INCHES0.500 INCHES IN
BOLT HOLE QUANTITY3 FIRST END3 FIRST END
FACE TO FACE DISTANCE4.000 INCHES4.000 INCHES IN
MATERIALCOPPER ALLOY BODY
SUBSTITUTES & CROSS-REFERENCES 1
V-3281Reference 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 V-3281-1/2IN?
V-3281-1/2IN is a VALVE,BALL.
What parts can replace V-3281-1/2IN?
There is 1 known substitute for V-3281-1/2IN: V-3281. Substitute compatibility should be verified for your specific system.
What is the NSN for V-3281-1/2IN?
V-3281-1/2IN is cataloged in the U.S. Government catalog under NSN 4820-01-185-2297. This indicates validated use in U.S. government and defense supply chains.
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