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B5580 ✓ 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,SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, valve_design_control_activity: 28953. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-369-4784, 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
B5580
NSN: 4820-01-369-4784
FSC: 4820
CAGE: 28953 — RIX INDUSTRIES (USA)
SPECIFICATIONS
materialSTEEL COMP 303
valve_design_control_activity28953
NSN4820-01-369-4784
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B5580 · 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: STEEL COMP 303
•
VALVE DESIGN CONTROL ACTIVITY: 28953
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 303
VALVE DESIGN CONTROL ACTIVITY28953
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
L1206Interchangeable
interchangeable cross-reference
interchangeable
206MInterchangeable
interchangeable cross-reference
interchangeable
B6935Interchangeable
interchangeable cross-reference
interchangeable
3138-100Interchangeable
interchangeable cross-reference
interchangeable
3138Interchangeable
interchangeable cross-reference
interchangeable
TFC115-100D15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B5580?
B5580 is a RETAINER,SEAT,VALVE.
What parts can replace B5580?
There are 18 known substitutes for B5580: L1206, 206M, B6935 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B5580?
B5580 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-369-4784. 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