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PartsTable / COMPONENT / ER-27856
ER-27856 ✓ 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 RESERVOIR,STEERING PUMP is a the manufacturer industrial component. Key specifications include shaft_type: ROUND SINGLE ACTUATOR, flat_height: 0.188 INCHES NOMINAL SINGLE ACTUATOR IN, shaft_length: 0.750 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, overall_width: 1.609 INCHES MAXIMUM IN, pole_quantity: 2 EACH SECTION REAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-271-6918, 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
ER-27856
NSN: 4820-01-271-6918
FSC: 4820
CAGE: 19954 — EATON CORP FLUID POWER OPNS MARSHALL DIV (USA)
SPECIFICATIONS
shaft_typeROUND SINGLE ACTUATOR
flat_height0.188 INCHES NOMINAL SINGLE ACTUATOR IN
shaft_length0.750 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
overall_width1.609 INCHES MAXIMUM IN
pole_quantity2 EACH SECTION REAR
terminal_typeTAB, SOLDER LUG
thread_length0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_height1.938 INCHES NOMINAL IN
overall_length2.125 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
throw_quantity5 EACH SECTION REAR
NSN4820-01-271-6918
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: ER-27856 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
340B103Interchangeable
interchangeable cross-reference
interchangeable
21222Interchangeable
interchangeable cross-reference
interchangeable
340B104Interchangeable
interchangeable cross-reference
interchangeable
452-1358Interchangeable
interchangeable cross-reference
interchangeable
21223Interchangeable
interchangeable cross-reference
interchangeable
DHInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ER-27856?
ER-27856 is a RESERVOIR,STEERING PUMP.
What parts can replace ER-27856?
There are 21 known substitutes for ER-27856: 340B103, 21222, 340B104 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ER-27856?
ER-27856 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-271-6918. 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