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2603502-31 — COUPLING,SHAFT,RIGID

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2603502-31: COUPLING,SHAFT,RIGID.

The COUPLING,SHAFT,RIGID is a the manufacturer industrial component. Key specifications include body_style: FLEXIBLE KEY INSERT TYPE, THROUGH BORE, bore_shape: STRAIGHT, bore_length: 2.2500 INCHES NOMINAL IN, bore_diameter: 0.6860 INCHES NOMINAL IN, overall_length: 3.2500 INCHES NOMINAL IN, outside_diameter: 2.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-466-2775, 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
2603502-31
NSN: 4820-01-466-2775
FSC: 4820 — Valves, Nonpowered
CAGE: 11243 — COSMODYNE, LLC DBA COSMODYNE LLC (USA)
SPECIFICATIONS
body_styleFLEXIBLE KEY INSERT TYPE, THROUGH BORE
bore_shapeSTRAIGHT
bore_length2.2500 INCHES NOMINAL IN
bore_diameter0.6860 INCHES NOMINAL IN
overall_length3.2500 INCHES NOMINAL IN
outside_diameter2.0000 INCHES NOMINAL IN
special_featuresNHA BU VALVE ASSY;SPECIAL CLEANING & PACKAGING REQUIRED
features_providedKEYWAY
end_item_identificationNIMITZ CLASS CVN
NSN4820-01-466-2775
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2603502-31 · 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
SUBSTITUTES & CROSS-REFERENCES 2
2603502Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
2603502-31CPReference document
Same NSN cross-reference
Reference document — Secondary reference
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 2603502-31?
2603502-31 is a COUPLING,SHAFT,RIGID.
What parts can replace 2603502-31?
There are 2 known substitutes for 2603502-31: 2603502, 2603502-31CP. Substitute compatibility should be verified for your specific system.
What is the NSN for 2603502-31?
2603502-31 is cataloged in the U.S. Government catalog under NSN 4820-01-466-2775. This indicates validated use in U.S. government and defense supply chains.
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