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Technical Data Sheet
PartsTable / COMPONENT / U51TB-V 1-1/2 INCH
U51TB-V 1-1/2 INCH ✓ 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 U51TB-V 1-1/2 INCH is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-022-3127, 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
U51TB-V 1-1/2 INCH
NSN: 4820-01-022-3127
FSC: 4820
CAGE: 24576 — QUANTIC INDUSTRIES (USA)
SPECIFICATIONS
Part NumberU51TB-V 1-1/2 INCH
Capacity51TB
NSN4820-01-022-3127
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: U51TB-V 1-1/2 INCH · 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
•
51TB Capacity
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
19728NInterchangeable
interchangeable cross-reference
interchangeable
19728N PIECE 17Interchangeable
interchangeable cross-reference
interchangeable
37971-24-85Interchangeable
interchangeable cross-reference
interchangeable
1823-5Interchangeable
interchangeable cross-reference
interchangeable
1820-5Interchangeable
interchangeable cross-reference
interchangeable
1822-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U51TB-V 1-1/2 INCH?
U51TB-V 1-1/2 INCH is a U51TB-V 1-1/2 INCH.
What parts can replace U51TB-V 1-1/2 INCH?
There are 18 known substitutes for U51TB-V 1-1/2 INCH: 19728N, 19728N PIECE 17, 37971-24-85 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U51TB-V 1-1/2 INCH?
U51TB-V 1-1/2 INCH is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-022-3127. 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