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PartsTable / COMPONENT / B-51063 ITEM 16806
B-51063 ITEM 16806 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 2A A, overall_height: 0.848 INCHES NOMINAL IN, pressure_rating: 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, outside_diameter: 1.188 INCHES NOMINAL IN, nominal_thread_size: 0.312 INCHES 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 4820-01-118-4029, 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
B-51063 ITEM 16806
NSN: 4820-01-118-4029
FSC: 4820
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class2A A
overall_height0.848 INCHES NOMINAL IN
pressure_rating600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter1.188 INCHES NOMINAL IN
nominal_thread_size0.312 INCHES IN
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN4820-01-118-4029
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-51063 ITEM 16806 · 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
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
MATERIAL: STEEL CORROSION RESISTING
•
PRESSURE RATING: 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
OUTSIDE DIAMETER: 1.188 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.312 INCHES IN
OVERALL HEIGHT0.848 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
PRESSURE RATING600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
OUTSIDE DIAMETER1.188 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
16806Interchangeable
interchangeable cross-reference
interchangeable
A501X428Interchangeable
interchangeable cross-reference
interchangeable
16805Interchangeable
interchangeable cross-reference
interchangeable
MR-11-U-20Interchangeable
interchangeable cross-reference
interchangeable
SS522-2113413PC7Interchangeable
interchangeable cross-reference
interchangeable
A216806Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-51063 ITEM 16806?
B-51063 ITEM 16806 is a RELAY,ELECTROMAGNETIC.
What parts can replace B-51063 ITEM 16806?
There are 21 known substitutes for B-51063 ITEM 16806: 16806, A501X428, 16805 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-51063 ITEM 16806?
B-51063 ITEM 16806 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-118-4029. 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