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15549AL ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The RETAINER,DISK,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM, inside_diameter: 0.515 INCHES NOMINAL IN, outside_diameter: 5.080 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-155-3587, 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
15549AL
NSN: 4820-01-155-3587
FSC: 4820
CAGE: 05443 — ALLEGHENY VALVE CO (USA)
SPECIFICATIONS
materialALUMINUM
inside_diameter0.515 INCHES NOMINAL IN
outside_diameter5.080 INCHES NOMINAL IN
NSN4820-01-155-3587
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 15549AL · 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
•
MATERIAL: ALUMINUM
•
OUTSIDE DIAMETER: 5.080 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.515 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM
OUTSIDE DIAMETER5.080 INCHES NOMINAL IN
INSIDE DIAMETER0.515 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
2BA65Interchangeable
interchangeable cross-reference
interchangeable
45A217Interchangeable
interchangeable cross-reference
interchangeable
10587-AInterchangeable
interchangeable cross-reference
interchangeable
2BA64Interchangeable
interchangeable cross-reference
interchangeable
15333Interchangeable
interchangeable cross-reference
interchangeable
25465Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15549AL?
15549AL is a RETAINER,DISK,VALVE.
What parts can replace 15549AL?
There are 11 known substitutes for 15549AL: 2BA65, 45A217, 10587-A and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15549AL?
15549AL is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-155-3587. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026