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Technical Data Sheet
PartsTable / COMPONENT / E8256 ITEM 289
E8256 ITEM 289 ✓ 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 PISTON,VALVE is a the manufacturer industrial component. Key specifications include special_features: BRONZE; BALL TYPE, end_item_identification: 4320-00-007-2638 PUMP,CENTRIFUGAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-275-0617, 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
E8256 ITEM 289
NSN: 4820-01-275-0617
FSC: 4820
CAGE: 0APJ5 — COFFIN TURBO PUMP INC (USA)
SPECIFICATIONS
special_featuresBRONZE; BALL TYPE
end_item_identification4320-00-007-2638 PUMP,CENTRIFUGAL
NSN4820-01-275-0617
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: E8256 ITEM 289 · 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)
SPECIAL FEATURESBRONZE; BALL TYPE
END ITEM IDENTIFICATION4320-00-007-2638 PUMP,CENTRIFUGAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
4879Interchangeable
interchangeable cross-reference
interchangeable
DS-934377Interchangeable
interchangeable cross-reference
interchangeable
37333DInterchangeable
interchangeable cross-reference
interchangeable
31891Interchangeable
interchangeable cross-reference
interchangeable
R4268FInterchangeable
interchangeable cross-reference
interchangeable
XR26345Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E8256 ITEM 289?
E8256 ITEM 289 is a PISTON,VALVE.
What parts can replace E8256 ITEM 289?
There are 17 known substitutes for E8256 ITEM 289: 4879, DS-934377, 37333D and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E8256 ITEM 289?
E8256 ITEM 289 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-275-0617. 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