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3306452 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3306452: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY STEM, bonnet_type: INSIDE SPRING, flange_shape: ROUND WITH HOLES FIRST END, connection_type: FLANGE FIRST END, special_features: MODIFIED WITH FLANGED ENDS AND FLAT DISK, style_designator: ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-446-3585, 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
3306452
NSN: 4820-00-446-3585
FSC: 4820 — Valves, Nonpowered
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY STEM
bonnet_typeINSIDE SPRING
flange_shapeROUND WITH HOLES FIRST END
connection_typeFLANGE FIRST END
special_featuresMODIFIED WITH FLANGED ENDS AND FLAT DISK
style_designatorANGLE
nominal_thickness0.500 INCHES FIRST END IN
bolt_hole_quantity8 FIRST END
flange_face_designPLAIN FIRST END
operating_pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
NSN4820-00-446-3585
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3306452 · 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
•
FLOW CONTROL DEVICE: DISK
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
BOLT CIRCLE NOMINAL DIAMETER: 5.500 INCHES FIRST END IN
•
CONNECTION TYPE: FLANGE FIRST END
•
STYLE DESIGNATOR: ANGLE
•
BOLT HOLE NOMINAL DIAMETER: 0.562 INCHES FIRST END IN
•
OPERATING PRESSURE: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES FIRST END
FLANGE FACE DESIGNPLAIN FIRST END
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES FIRST END IN
CONNECTION TYPEFLANGE FIRST END
STYLE DESIGNATORANGLE
BOLT HOLE NOMINAL DIAMETER0.562 INCHES FIRST END IN
OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
ADJUSTABLE PRESSURE RANGE+26.0 TO 75.0 POUNDS PER SQUARE INCH LBS
BONNET TYPEINSIDE SPRING
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 2
S2981DReference document
Same NSN cross-reference
Reference document — Secondary reference
81125S41-21502PC11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3306452?
3306452 is a VALVE,SAFETY RELIEF.
What parts can replace 3306452?
There are 2 known substitutes for 3306452: S2981D, 81125S41-21502PC11. Substitute compatibility should be verified for your specific system.
What is the NSN for 3306452?
3306452 is cataloged in the U.S. Government catalog under NSN 4820-00-446-3585. This indicates validated use in U.S. government and defense supply chains.
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