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ERS62638 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RESERVOIR,STEERING PUMP is a the manufacturer industrial component. Key specifications include end_similarity: NOT IDENTICAL, overall_length: 6.634 INCHES NOMINAL IN, first_end_style: PLAIN, second_end_style: SPLINED (INVOLUTE), first_end_diameter: 0.7500 INCHES NOMINAL IN, second_end_diameter: 0.7135 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-271-3649, 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
ERS62638
NSN: 3040-01-271-3649
FSC: 3040
CAGE: 05MG0 — MILITARY TRUCKS & PARTS, INC. (USA)
SPECIFICATIONS
step_quantity5
end_similarityNOT IDENTICAL
overall_length6.634 INCHES NOMINAL IN
first_end_stylePLAIN
second_end_styleSPLINED (INVOLUTE)
first_end_diameter0.7500 INCHES NOMINAL IN
second_end_diameter0.7135 INCHES NOMINAL IN
second_end_spline_length1.0000 INCHES NOMINAL IN
second_end_pitch_diameter0.6875 INCHES NOMINAL IN
second_end_pressure_angle30.0 DEGREES NOMINAL
second_end_spline_quantity11
second_end_spline_major_diameter0.7135 INCHES NOMINAL IN
NSN3040-01-271-3649
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESERVOIR,STEERING PUMP TITLE COMPONENT PN ERS62638 MFR RESERVOIR,STEERING PUM
KEY FEATURES
•
SECOND END DIAMETER: 0.7135 INCHES NOMINAL IN
•
SECOND END SPLINE MINOR DIAMETER: 0.6085 INCHES NOMINAL IN
•
STEP QUANTITY: 5
•
SECOND END SPLINE LENGTH: 1.0000 INCHES NOMINAL IN
•
SECOND END PITCH DIAMETER: 0.6875 INCHES NOMINAL IN
•
FIRST END DIAMETER: 0.7500 INCHES NOMINAL IN
•
SECOND END SPLINE QUANTITY: 11
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END DIAMETER0.7135 INCHES NOMINAL IN
SECOND END SPLINE MINOR DIAMETER0.6085 INCHES NOMINAL IN
STEP QUANTITY5
SECOND END SPLINE LENGTH1.0000 INCHES NOMINAL IN
SECOND END PITCH DIAMETER0.6875 INCHES NOMINAL IN
FIRST END DIAMETER0.7500 INCHES NOMINAL IN
SECOND END SPLINE QUANTITY11
OVERALL LENGTH6.634 INCHES NOMINAL IN
SECOND END STYLESPLINED (INVOLUTE)
SECOND END PRESSURE ANGLE30.0 DEGREES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
ERS-27856-150Interchangeable
interchangeable cross-reference
interchangeable
DHInterchangeable
interchangeable cross-reference
interchangeable
ER-27856-150Interchangeable
interchangeable cross-reference
interchangeable
20510093-7ZInterchangeable
interchangeable cross-reference
interchangeable
ERS-27911Interchangeable
interchangeable cross-reference
interchangeable
20510093-22ZInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ERS62638?
ERS62638 is a RESERVOIR,STEERING PUMP.
What parts can replace ERS62638?
There are 11 known substitutes for ERS62638: ERS-27856-150, DH, ER-27856-150 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ERS62638?
ERS62638 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-271-3649. 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