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B2071-S — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B2071-S: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, valve_size: 0.500 INCHES IN, bonnet_type: INSIDE SPRINGINSIDE SPRING, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, special_features: MATERIAL CORROSION RESISTING STEEL, QQ-S-763, TYPE 303. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-203-1125, 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
B2071-S
NSN: 4820-01-203-1125
NIINs: 012031125, 012031231, 012082143
FSC: 4820 — Valves, Nonpowered
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
valve_size0.500 INCHES IN
bonnet_typeINSIDE SPRINGINSIDE SPRING
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
special_featuresMATERIAL CORROSION RESISTING STEEL, QQ-S-763, TYPE 303
style_designatorANGLE FLANGED ENDS
nominal_thickness0.438 INCHES ALL ENDS IN
bolt_hole_quantity4 ALL ENDS
flow_control_deviceDISKDISK
valve_operation_methodAUTOMATIC
stem_actuating_end_typeTHREADED EXTERNALLY
NSN4820-01-203-1125
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B2071-S · 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: DISKDISK
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
BOLT CIRCLE NOMINAL DIAMETER: 2.375 INCHES ALL ENDS IN
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: ANGLE FLANGED ENDS
•
BOLT HOLE NOMINAL DIAMETER: 0.625 INCHES ALL ENDS IN
•
VALVE SIZE: 0.500 INCHES IN
•
BONNET TYPE: INSIDE SPRINGINSIDE SPRING
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISKDISK
FLANGE SHAPEROUND WITH HOLES ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER2.375 INCHES ALL ENDS IN
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORANGLE FLANGED ENDS
BOLT HOLE NOMINAL DIAMETER0.625 INCHES ALL ENDS IN
VALVE SIZE0.500 INCHES IN
BONNET TYPEINSIDE SPRINGINSIDE SPRING
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.000 INCHES IN
NOMINAL OUTSIDE DIAMETER3.500 INCHES ALL ENDS IN
SUBSTITUTES & CROSS-REFERENCES 2
B2071S-L3110B 51 TO 70 1-2 INReference document
Same NSN cross-reference
Reference document — Secondary reference
B2071S-L3110B 5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 B2071-S?
B2071-S is a STEM,FLUID VALVE.
What parts can replace B2071-S?
There are 2 known substitutes for B2071-S: B2071S-L3110B 51 TO 70 1-2 IN, B2071S-L3110B 5. Substitute compatibility should be verified for your specific system.
What is the NSN for B2071-S?
B2071-S is cataloged in the U.S. Government catalog under NSN 4820-01-203-1125. This indicates validated use in U.S. government and defense supply chains.
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