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Technical Data Sheet
PartsTable / COMPONENT / 606 PIECE 4 1 1/2IN
606 PIECE 4 1 1/2IN ✓ 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 606 PIECE 4 1 1/2IN 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 4820-01-235-5618, 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
606 PIECE 4 1 1/2IN
NSN: 4820-01-235-5618
FSC: 4820
CAGE: 14448 — HAMMOND VALVE CORP (USA)
SPECIFICATIONS
Part Number606 PIECE 4 1 1/2IN
NSN4820-01-235-5618
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 606 PIECE 4 1 1/2IN · 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: COPPER ALLOY
•
TAPER MINOR DIAMETER: 0.666 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID WEDGE
•
TAPER MAJOR DIAMETER: 1.938 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
TAPER MINOR DIAMETER0.666 INCHES NOMINAL IN
STYLE DESIGNATORSOLID WEDGE
OVERALL HEIGHT2.375 INCHES NOMINAL IN
TAPER MAJOR DIAMETER1.938 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
25568Interchangeable
interchangeable cross-reference
interchangeable
GM25568Interchangeable
interchangeable cross-reference
interchangeable
AS25568Interchangeable
interchangeable cross-reference
interchangeable
0125568Interchangeable
interchangeable cross-reference
interchangeable
0125568-6Interchangeable
interchangeable cross-reference
interchangeable
60594Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 606 PIECE 4 1 1/2IN?
606 PIECE 4 1 1/2IN is a 606 PIECE 4 1 1/2IN.
What parts can replace 606 PIECE 4 1 1/2IN?
There are 11 known substitutes for 606 PIECE 4 1 1/2IN: 25568, GM25568, AS25568 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 606 PIECE 4 1 1/2IN?
606 PIECE 4 1 1/2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-235-5618. 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