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ER-27856 — RESERVOIR,STEERING PUMP

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

ER-27856: RESERVOIR,STEERING PUMP.

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 part is cataloged in the U.S.

Government catalog 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
NIINs: 012716918, 013300547
FSC: 4820 — Valves, Nonpowered
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
SUBSTITUTES & CROSS-REFERENCES 5
ERS-27856-150Reference document
Same NSN cross-reference
Reference document — Secondary reference
ER-27856-150Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
20510093-19ZReference document
Same NSN cross-reference
Reference document — Secondary reference
20510093Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
DHSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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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 5 known substitutes for ER-27856: ERS-27856-150, ER-27856-150, 20510093-19Z and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ER-27856?
ER-27856 is cataloged in the U.S. Government catalog under NSN 4820-01-271-6918. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.