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LL-2120-C .50IN — LEVER,MANUAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

LL-2120-C .50IN: LEVER,MANUAL CONTROL.

The LEVER,MANUAL CONTROL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY STEM, valve_size: 0.500 INCHES IN, bonnet_type: INSIDE SCREW, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: ANGLE FLANGED ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-470-5738, 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
LL-2120-C .50IN
NSN: 4820-01-470-5738
FSC: 4820 — Valves, Nonpowered
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY STEM
valve_size0.500 INCHES IN
bonnet_typeINSIDE SCREW
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorANGLE FLANGED ENDS
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
maximum_operating_temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
end_item_identificationW/S CODE "JA" NIMITZ CLASS CVN
NSN4820-01-470-5738
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: LL-2120-C .50IN · 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 ALL ENDS
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: ANGLE FLANGED ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
•
OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES ALL ENDS
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORANGLE FLANGED ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-657 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-657 FED SPEC SINGLE MATERIAL RESPONSE STEM
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE0.500 INCHES IN
BONNET TYPEINSIDE SCREW
SUBSTITUTES & CROSS-REFERENCES 3
CDS-549 ITEM 11Reference document
Same NSN cross-reference
Reference document — Secondary reference
LL-2120-C .50IN 191T255PSIReference document
Same NSN cross-reference
Reference document — Secondary reference
NMP-1078Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LL-2120-C .50IN?
LL-2120-C .50IN is a LEVER,MANUAL CONTROL.
What parts can replace LL-2120-C .50IN?
There are 3 known substitutes for LL-2120-C .50IN: CDS-549 ITEM 11, LL-2120-C .50IN 191T255PSI, NMP-1078. Substitute compatibility should be verified for your specific system.
What is the NSN for LL-2120-C .50IN?
LL-2120-C .50IN is cataloged in the U.S. Government catalog under NSN 4820-01-470-5738. This indicates validated use in U.S. government and defense supply chains.
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