PartsTable
Technical Data Sheet

2-1/2IN.1750-W — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2-1/2IN.1750-W: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL BODY, special_features: WITH SEMI-CIRCULAR FLOAT DISK;FINE FLAME SCREEN AND HEAVY PROTECTIVE MESH, style_designator: STRAIGHT THRU, mounting_position: VERTICAL, flow_control_device: DISK, valve_operation_method: AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-256-0188, 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
2-1/2IN.1750-W
NSN: 4820-01-256-0188
FSC: 4820 — Valves, Nonpowered
CAGE: 79128 — ROBERT H WAGER CO INC (USA)
SPECIFICATIONS
materialSTEEL BODY
special_featuresWITH SEMI-CIRCULAR FLOAT DISK;FINE FLAME SCREEN AND HEAVY PROTECTIVE MESH
style_designatorSTRAIGHT THRU
mounting_positionVERTICAL
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
nominal_pipe_size_accommodated2.500 INCHES FIRST END IN
NSN4820-01-256-0188
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2-1/2IN.1750-W · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 2.500 INCHES FIRST END IN
•
MOUNTING POSITION: VERTICAL
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: STEEL BODY
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
NOMINAL PIPE SIZE ACCOMMODATED2.500 INCHES FIRST END IN
MOUNTING POSITIONVERTICAL
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESWITH SEMI-CIRCULAR FLOAT DISK;FINE FLAME SCREEN AND HEAVY PROTECTIVE MESH
MATERIALSTEEL BODY
VALVE OPERATION METHODAUTOMATIC
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

No substitute or cross-reference records for this part.

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 2-1/2IN.1750-W?
2-1/2IN.1750-W is a VALVE,CHECK.
What is the NSN for 2-1/2IN.1750-W?
2-1/2IN.1750-W is cataloged in the U.S. Government catalog under NSN 4820-01-256-0188. 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.