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Technical Data Sheet
PartsTable / COMPONENT / 803-2177142-51X-17
803-2177142-51X-17 ✓ 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 CAP,VALVE is a the manufacturer industrial component. Key specifications include height: 15.062 INCHES NOMINAL IN, material: STEEL, outside_diameter: 0.375 INCHES NOMINAL IN, valve_size_for_which_designed: 5.000 INCHES IN, valve_type_for_which_designed: CHECK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-215-4343, 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
803-2177142-51X-17
NSN: 4820-01-215-4343
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
height15.062 INCHES NOMINAL IN
materialSTEEL
outside_diameter0.375 INCHES NOMINAL IN
valve_size_for_which_designed5.000 INCHES IN
valve_type_for_which_designedCHECK
NSN4820-01-215-4343
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-2177142-51X-17 · 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 TYPE FOR WHICH DESIGNED: CHECK
•
HEIGHT: 15.062 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
VALVE SIZE FOR WHICH DESIGNED: 5.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
VALVE TYPE FOR WHICH DESIGNEDCHECK
HEIGHT15.062 INCHES NOMINAL IN
OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
MATERIALSTEEL
VALVE SIZE FOR WHICH DESIGNED5.000 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
803-2177142-51X-02AInterchangeable
interchangeable cross-reference
interchangeable
803-2177142Interchangeable
interchangeable cross-reference
interchangeable
803-2177142-5XX-15Interchangeable
interchangeable cross-reference
interchangeable
803-2177142-51X-3AInterchangeable
interchangeable cross-reference
interchangeable
803-2177142-5XX-9AInterchangeable
interchangeable cross-reference
interchangeable
803-2177142-5XX-12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 803-2177142-51X-17?
803-2177142-51X-17 is a CAP,VALVE.
What parts can replace 803-2177142-51X-17?
There are 11 known substitutes for 803-2177142-51X-17: 803-2177142-51X-02A, 803-2177142, 803-2177142-5XX-15 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-2177142-51X-17?
803-2177142-51X-17 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-215-4343. 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