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Technical Data Sheet
PartsTable / COMPONENT / 156/41
156/41 ✓ 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 156/41 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 4820-00-217-2814, 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
156/41
NSN: 4820-00-217-2814
FSC: 4820
CAGE: K7018 — WELLMAN GROUP (GBR)
SPECIFICATIONS
Part Number156/41
NSN4820-00-217-2814
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 156/41 · 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
•
VALVE OPERATION METHOD: AUTOMATIC
•
DISK LOADING METHOD: SPRING
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
CONNECTION TYPE: UNTHREADED CARTRIDGE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODAUTOMATIC
DISK LOADING METHODSPRING
MATERIALSTEEL CORROSION RESISTING OVERALL
CONNECTION TYPEUNTHREADED CARTRIDGE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
15641Interchangeable
interchangeable cross-reference
interchangeable
641PSInterchangeable
interchangeable cross-reference
interchangeable
TC1092Interchangeable
interchangeable cross-reference
interchangeable
2T3812Interchangeable
interchangeable cross-reference
interchangeable
373M0063P002Interchangeable
interchangeable cross-reference
interchangeable
S641US2GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 156/41?
156/41 is a 156/41.
What parts can replace 156/41?
There are 12 known substitutes for 156/41: 15641, 641PS, TC1092 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 156/41?
156/41 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-217-2814. 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