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PartsTable / COMPONENT / A-1610 PIECE 27
A-1610 PIECE 27 ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 2B, overall_height: 1.780 INCHES NOMINAL IN, shank_diameter: 1.125 INCHES NOMINAL IN, flange_diameter: 2.175 INCHES NOMINAL IN, nominal_thread_size: 0.500 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 4820-01-198-3145, 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
A-1610 PIECE 27
NSN: 4820-01-198-3145
FSC: 4820
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class2B
overall_height1.780 INCHES NOMINAL IN
shank_diameter1.125 INCHES NOMINAL IN
flange_diameter2.175 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
end_item_identificationVALVE,SAFETY RELIEF;MODEL 41-H-204 SIZE 2.000 IN. J BY 2.500 IN. IN
thread_series_designatorUNF
NSN4820-01-198-3145
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-1610 PIECE 27 · 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: 0.500 INCHES IN
•
FLANGE DIAMETER: 2.175 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
•
THREAD SERIES DESIGNATOR: UNF
•
SHANK DIAMETER: 1.125 INCHES NOMINAL IN
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONVALVE,SAFETY RELIEF;MODEL 41-H-204 SIZE 2.000 IN. J BY 2.500 IN. IN
NOMINAL THREAD SIZE0.500 INCHES IN
FLANGE DIAMETER2.175 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
THREAD SERIES DESIGNATORUNF
OVERALL HEIGHT1.780 INCHES NOMINAL IN
SHANK DIAMETER1.125 INCHES NOMINAL IN
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
A1610Interchangeable
interchangeable cross-reference
interchangeable
PC3304052Interchangeable
interchangeable cross-reference
interchangeable
3304052Interchangeable
interchangeable cross-reference
interchangeable
183219Interchangeable
interchangeable cross-reference
interchangeable
41-3-115Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14652Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-1610 PIECE 27?
A-1610 PIECE 27 is a DISK,VALVE.
What parts can replace A-1610 PIECE 27?
There are 8 known substitutes for A-1610 PIECE 27: A1610, PC3304052, 3304052 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-1610 PIECE 27?
A-1610 PIECE 27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-198-3145. 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