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74B580185-101 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

74B580185-101: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM BODY, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: UNTHREADED EXTERNAL TUBE SECOND END, connection_style: GROOVED (TUBE) SECOND END, style_designator: STRAIGHT THRU. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-125-5504, 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
74B580185-101
NSN: 4820-01-125-5504
FSC: 4820 — Valves, Nonpowered
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM BODY
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeUNTHREADED EXTERNAL TUBE SECOND END
connection_styleGROOVED (TUBE) SECOND END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
mounting_positionHORIZONTAL OR VERTICAL
surface_treatmentANODIZE
operating_pressure25.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_devicePOPPET
nominal_thread_size1.312 INCHES FIRST END IN
NSN4820-01-125-5504
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 74B580185-101 · 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: POPPET
•
CONNECTION STYLE: GROOVED (TUBE) SECOND END
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
CONNECTION TYPE: THREADED EXTERNAL BOSS FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 25.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CONNECTION STYLEGROOVED (TUBE) SECOND END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CONNECTION TYPETHREADED EXTERNAL BOSS FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE SECOND END
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE25.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE1.312 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 2
P112-533Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
P112-533-16Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74B580185-101?
74B580185-101 is a VALVE,CHECK.
What parts can replace 74B580185-101?
There are 2 known substitutes for 74B580185-101: P112-533, P112-533-16. Substitute compatibility should be verified for your specific system.
What is the NSN for 74B580185-101?
74B580185-101 is cataloged in the U.S. Government catalog under NSN 4820-01-125-5504. This indicates validated use in U.S. government and defense supply chains.
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