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M589LB — VALVE,STOP-CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

M589LB: VALVE,STOP-CHECK.

The VALVE,STOP-CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY STEM, bonnet_type: INSIDE SCREW, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, style_designator: ANGLE, mounting_facility: THREADED FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-759-1189, 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
M589LB
NSN: 4820-00-759-1189
FSC: 4820 — Valves, Nonpowered
CAGE: 28193 — HENRY TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY STEM
bonnet_typeINSIDE SCREW
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
style_designatorANGLE
mounting_facilityTHREADED FASTENER
mounting_positionHORIZONTAL
flow_control_deviceDISK
valve_operation_methodMANUAL
bonnet_attachment_methodINTEGRAL
nominal_outside_diameter_tube_accommodated1.379 INCHES SECOND END IN
NSN4820-00-759-1189
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: M589LB · 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
•
CONNECTION STYLE: SOCKET (TUBE) ALL ENDS
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: ANGLE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.500 INCHES FIRST END IN
•
BONNET TYPE: INSIDE SCREW
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION STYLESOCKET (TUBE) ALL ENDS
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATORANGLE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.500 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.379 INCHES SECOND END IN
BONNET TYPEINSIDE SCREW
MOUNTING FACILITYTHREADED FASTENER
BONNET ATTACHMENT METHODINTEGRAL
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 1
022-01359Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M589LB?
M589LB is a VALVE,STOP-CHECK.
What parts can replace M589LB?
There is 1 known substitute for M589LB: 022-01359. Substitute compatibility should be verified for your specific system.
What is the NSN for M589LB?
M589LB is cataloged in the U.S. Government catalog under NSN 4820-00-759-1189. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.