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Technical Data Sheet
PartsTable / COMPONENT / 2155-51PL-SH2/2 1
2155-51PL-SH2/2 1 ✓ 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 2155-51PL-SH2/2 1 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 4820-01-257-7522, 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
2155-51PL-SH2/2 1
NSN: 4820-01-257-7522
FSC: 4820
CAGE: 41387 — SIEMENS INDUSTRY, INC. DBA SIEMENS ENERGY DIV PROCESS INDUSTRIES AND DRIVES (USA)
SPECIFICATIONS
Part Number2155-51PL-SH2/2 1
NSN4820-01-257-7522
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2155-51PL-SH2/2 1 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 1.002 IN. X 3.500 IN. IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION1.002 IN. X 3.500 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
3250-4418Interchangeable
interchangeable cross-reference
interchangeable
CS4730-0130Interchangeable
interchangeable cross-reference
interchangeable
FP-075188Interchangeable
interchangeable cross-reference
interchangeable
2155-242Interchangeable
interchangeable cross-reference
interchangeable
2155-18Interchangeable
Same NIIN cross-reference
interchangeable
2155-18-SInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2155-51PL-SH2/2 1?
2155-51PL-SH2/2 1 is a 2155-51PL-SH2/2 1.
What parts can replace 2155-51PL-SH2/2 1?
There are 6 known substitutes for 2155-51PL-SH2/2 1: 3250-4418, CS4730-0130, FP-075188 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2155-51PL-SH2/2 1?
2155-51PL-SH2/2 1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-257-7522. 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