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PartsTable / COMPONENT / S638-2S
S638-2S ✓ 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 S638-2S is a the manufacturer industrial component. Key specifications include material: STEEL, construction: ONE-PIECE, outside_diameter: 1.750 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.141 INCHES NOMINAL IN, fsc_application_data: DRIVING AXLE PINION BEARING,TRUCK. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-495-9590, 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
S638-2S
NSN: 5365-00-495-9590
FSC: 5365
CAGE: 58923 — ROPER INDUSTRIES INC ROPER PUMP CO DIV (USA)
SPECIFICATIONS
materialSTEEL
constructionONE-PIECE
outside_diameter1.750 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.141 INCHES NOMINAL IN
fsc_application_dataDRIVING AXLE PINION BEARING,TRUCK
NSN5365-00-495-9590
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available S638-2S TITLE COMPONENT PN S638-2S MFR S638-2S
KEY FEATURES
•
OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CONSTRUCTION: ONE-PIECE
•
FSC APPLICATION DATA: DRIVING AXLE PINION BEARING,TRUCK
•
MATERIAL: STEEL
•
APERTURE DIAMETER: 1.141 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CONSTRUCTIONONE-PIECE
FSC APPLICATION DATADRIVING AXLE PINION BEARING,TRUCK
MATERIALSTEEL
APERTURE DIAMETER1.141 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
30-207-3Interchangeable
interchangeable cross-reference
interchangeable
283550-1210Interchangeable
interchangeable cross-reference
interchangeable
ZHVY0390-21Interchangeable
interchangeable cross-reference
interchangeable
B107.500 CAT 37 TY2CL3Interchangeable
interchangeable cross-reference
interchangeable
PWC28AInterchangeable
interchangeable cross-reference
interchangeable
639974Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S638-2S?
S638-2S is a S638-2S.
What parts can replace S638-2S?
There are 9 known substitutes for S638-2S: 30-207-3, 283550-1210, ZHVY0390-21 and 6 more. Substitute compatibility should be verified for your specific system.
Is S638-2S still available?
S638-2S is currently cancelled.
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Last verified: July 2026