L2120 — VALVE,SAFETY RELIEF

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

L2120: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 STEM, bonnet_type: INSIDE SPRING, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET WITH BRAZING RING ALL ENDS, style_designator: ANGLE, operating_pressure: 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-181-3547, 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

L2120

NSN: 4820-01-181-3547
FSC: 4820 — Valves, Nonpowered
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)

SPECIFICATIONS

material	STEEL COMP 316 STEM
bonnet_type	INSIDE SPRING
connection_type	UNTHREADED INTERNAL PIPE ALL ENDS
connection_style	SOCKET WITH BRAZING RING ALL ENDS
style_designator	ANGLE
operating_pressure	350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
disk_loading_method	SPRING
flow_control_device	DISK
valve_operation_method	AUTOMATIC
bonnet_attachment_method	UNION
adjustable_pressure_range	+110.0 TO 140.0 POUNDS PER SQUARE INCH LBS
furnished_items_and_quantity	2 TAILPIECE AND 2 NUT
NSN	4820-01-181-3547

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW CONTROL DEVICE: DISK

•

FURNISHED ITEMS AND QUANTITY: 2 TAILPIECE AND 2 NUT

•

NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES ALL ENDS IN

•

CONNECTION STYLE: SOCKET WITH BRAZING RING ALL ENDS

•

CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS

•

STYLE DESIGNATOR: ANGLE

•

OPERATING PRESSURE: 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS

TECHNICAL CHARACTERISTICS

FLOW CONTROL DEVICE	DISK
FURNISHED ITEMS AND QUANTITY	2 TAILPIECE AND 2 NUT
NOMINAL PIPE SIZE ACCOMMODATED	0.500 INCHES ALL ENDS IN
CONNECTION STYLE	SOCKET WITH BRAZING RING ALL ENDS
CONNECTION TYPE	UNTHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATOR	ANGLE
OPERATING PRESSURE	350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
OPERATING PRESSURE	352.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
ADJUSTABLE PRESSURE RANGE	+110.0 TO 140.0 POUNDS PER SQUARE INCH LBS
BONNET TYPE	INSIDE 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 4

NMP-110 1/2IN 101 TO 140 PSIReference document

Same NSN cross-reference

Reference document — Secondary reference

NMP-110 101 TO 140PSIReference document

Same NSN cross-reference

Reference document — Secondary reference

L-2120-C 1/2 INCHReference document

Same NSN cross-reference

Reference document — Secondary reference

NMP-110 101 T0Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is L2120?

L2120 is a VALVE,SAFETY RELIEF.

What parts can replace L2120?

There are 4 known substitutes for L2120: NMP-110 1/2IN 101 TO 140 PSI, NMP-110 101 TO 140PSI, L-2120-C 1/2 INCH and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for L2120?

L2120 is cataloged in the U.S. Government catalog under NSN 4820-01-181-3547. This indicates validated use in U.S. government and defense supply chains.

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