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Technical Data Sheet
PartsTable / COMPONENT / BS5-2019-125
BS5-2019-125 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 1.812 INCHES NOMINAL IN, largest_outside_diameter: 0.625 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 4820-00-218-4396, 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
BS5-2019-125
NSN: 4820-00-218-4396
FSC: 4820
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length1.812 INCHES NOMINAL IN
largest_outside_diameter0.625 INCHES NOMINAL IN
NSN4820-00-218-4396
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: BS5-2019-125 · 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
•
LARGEST OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
LARGEST OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
OVERALL LENGTH1.812 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
TG6Interchangeable
interchangeable cross-reference
interchangeable
T93-21-2Interchangeable
interchangeable cross-reference
interchangeable
667035Interchangeable
interchangeable cross-reference
interchangeable
7056700Interchangeable
interchangeable cross-reference
interchangeable
5293579Interchangeable
interchangeable cross-reference
interchangeable
H320AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BS5-2019-125?
BS5-2019-125 is a STEM,FLUID VALVE.
What parts can replace BS5-2019-125?
There are 6 known substitutes for BS5-2019-125: TG6, T93-21-2, 667035 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BS5-2019-125?
BS5-2019-125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-218-4396. 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