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PartsTable / COMPONENT / F-8257 ITEM 14
F-8257 ITEM 14 ✓ 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 GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include end_item_identification: STEAM TURBINE,SHIPS PROPULSION SYSTEM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-170-7127, 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
F-8257 ITEM 14
NSN: 4810-01-170-7127
FSC: 4810
CAGE: 830Q4 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS-WRIGHT STEAM AND AIR SOLUTIONS DIV STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
end_item_identificationSTEAM TURBINE,SHIPS PROPULSION SYSTEM
NSN4810-01-170-7127
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: F-8257 ITEM 14 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSTEAM TURBINE,SHIPS PROPULSION SYSTEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
90025CARD2KInterchangeable
interchangeable cross-reference
interchangeable
6930-004Interchangeable
interchangeable cross-reference
interchangeable
900025Interchangeable
interchangeable cross-reference
interchangeable
136669Interchangeable
interchangeable cross-reference
interchangeable
Z99505LR1596MV6Interchangeable
interchangeable cross-reference
interchangeable
900005Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F-8257 ITEM 14?
F-8257 ITEM 14 is a GUIDE,VALVE STEM.
What parts can replace F-8257 ITEM 14?
There are 8 known substitutes for F-8257 ITEM 14: 90025CARD2K, 6930-004, 900025 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F-8257 ITEM 14?
F-8257 ITEM 14 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-170-7127. 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