PartsTable
Technical Data Sheet
Download PDF

2643174 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2643174: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL BODY, connection_type: BUTT WELD PIPE FIRST END, connection_style: BEVELED (PIPE) FIRST END, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL, flow_control_device: DISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-145-6675, 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
2643174
NSN: 4820-01-145-6675
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialSTEEL BODY
connection_typeBUTT WELD PIPE FIRST END
connection_styleBEVELED (PIPE) FIRST END
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
nominal_pipe_size_accommodated5.563 INCHES FIRST END IN
NSN4820-01-145-6675
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2643174 · 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: 5.563 INCHES FIRST END IN
•
CONNECTION STYLE: BEVELED (PIPE) FIRST END
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: BUTT WELD PIPE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: STEEL BODY
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
NOMINAL PIPE SIZE ACCOMMODATED5.563 INCHES FIRST END IN
CONNECTION STYLEBEVELED (PIPE) FIRST END
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPEBUTT WELD PIPE FIRST END
STYLE DESIGNATORSTRAIGHT THRU
MATERIALSTEEL BODY
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 1
253207Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 2643174?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 2643174?
2643174 is a VALVE,CHECK.
What parts can replace 2643174?
There is 1 known substitute for 2643174: 253207. Substitute compatibility should be verified for your specific system.
What is the NSN for 2643174?
2643174 is cataloged in the U.S. Government catalog under NSN 4820-01-145-6675. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 2643174

✓ 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.