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1750F 4IN — VALVE,VENT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

1750F 4IN: VALVE,VENT.

The VALVE,VENT is a the manufacturer industrial component. Key specifications include material: STEEL OR IRON CAST BODY, valve_size: 4.000 INCHES IN, flange_shape: ROUND WITH HOLES FIRST END, connection_type: FLANGE FIRST END, flange_face_design: PLAIN FIRST END, furnished_items_and_quantity: 1 COVER AND 1 FILTER SCREEN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-321-6389, 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
1750F 4IN
NSN: 4820-01-321-6389
FSC: 4820 — Valves, Nonpowered
CAGE: 79128 — ROBERT H WAGER CO INC (USA)
SPECIFICATIONS
materialSTEEL OR IRON CAST BODY
valve_size4.000 INCHES IN
flange_shapeROUND WITH HOLES FIRST END
connection_typeFLANGE FIRST END
flange_face_designPLAIN FIRST END
furnished_items_and_quantity1 COVER AND 1 FILTER SCREEN
NSN4820-01-321-6389
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1750F 4IN · 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
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
FURNISHED ITEMS AND QUANTITY: 1 COVER AND 1 FILTER SCREEN
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
CONNECTION TYPE: FLANGE FIRST END
•
VALVE SIZE: 4.000 INCHES IN
•
MATERIAL: STEEL OR IRON CAST BODY
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES FIRST END
FURNISHED ITEMS AND QUANTITY1 COVER AND 1 FILTER SCREEN
FLANGE FACE DESIGNPLAIN FIRST END
CONNECTION TYPEFLANGE FIRST END
VALVE SIZE4.000 INCHES IN
MATERIALSTEEL OR IRON CAST BODY
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
1750F 4IN STEELReference 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 1750F 4IN?
1750F 4IN is a VALVE,VENT.
What parts can replace 1750F 4IN?
There is 1 known substitute for 1750F 4IN: 1750F 4IN STEEL. Substitute compatibility should be verified for your specific system.
What is the NSN for 1750F 4IN?
1750F 4IN is cataloged in the U.S. Government catalog under NSN 4820-01-321-6389. 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.