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1750-F — VALVE,VENT-CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1750-F: VALVE,VENT-CHECK.

The VALVE,VENT-CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, valve_size: 6.000 INCHES IN, flange_shape: ROUND WITH HOLES FIRST END, connection_type: FLANGE FIRST END, special_features: HALF BALL FLOAT WITH FLAME SCREEN, PROTECTIVE MESH, AND COVER WHICH IS HELD OPEN WITH 2 TOGGLE BOLTS, style_designator: STRAIGHT THRU FLANGED ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-122-7716, 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
1750-F
NSN: 4820-01-122-7716
NIINs: 011227716, 014344536, 014757997
FSC: 4820 — Valves, Nonpowered
CAGE: 79128 — ROBERT H WAGER CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
valve_size6.000 INCHES IN
flange_shapeROUND WITH HOLES FIRST END
connection_typeFLANGE FIRST END
special_featuresHALF BALL FLOAT WITH FLAME SCREEN, PROTECTIVE MESH, AND COVER WHICH IS HELD OPEN WITH 2 TOGGLE BOLTS
style_designatorSTRAIGHT THRU FLANGED ENDS
mounting_facilityBRACKET(S)
mounting_positionHORIZONTAL OR VERTICAL
nominal_thickness1.000 INCHES ALL ENDS IN
bolt_hole_quantity8 ALL ENDS
flange_face_designPLAIN FIRST END
flow_control_deviceBALL
NSN4820-01-122-7716
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1750-F · 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 ALL ENDS
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
DISK LOADING METHOD: SPRING
•
MOUNTING FACILITY: BRACKET(S)
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
DISK LOADING METHODSPRING
MOUNTING FACILITYBRACKET(S)
SPECIAL FEATURESVALVE SIZE 1.500 IN. IN
VALVE OPERATION METHODMANUAL
SUBSTITUTES & CROSS-REFERENCES 1
1750F 1.50INReference 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 1750-F?
1750-F is a VALVE,VENT-CHECK.
What parts can replace 1750-F?
There is 1 known substitute for 1750-F: 1750F 1.50IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 1750-F?
1750-F is cataloged in the U.S. Government catalog under NSN 4820-01-122-7716. 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.