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Technical Data Sheet
185553R1 ✓ 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 PLUNGER is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500 OVERALL, end_style: MACHINE LOOP BOTH ENDS, design_type: CLOSED, hook_radius: 0.180 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 15, opening_width: 0.187 INCHES NOMINAL BOTH ENDS 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 2520-00-146-0543, 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
185553R1
NSN: 2520-00-146-0543
FSC: 2520
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialSTEEL UNS K08500 OVERALL
end_styleMACHINE LOOP BOTH ENDS
design_typeCLOSED
hook_radius0.180 INCHES NOMINAL BOTH ENDS IN
coil_quantity15
opening_width0.187 INCHES NOMINAL BOTH ENDS IN
inside_diameter0.360 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length2.000 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_deflection_rate29.000 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter0.500 INCHES NOMINAL IN
NSN2520-00-146-0543
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLUNGER TITLE COMPONENT PN 185553R1 MFR PLUNGER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
LA91219Interchangeable
interchangeable cross-reference
interchangeable
91219Interchangeable
interchangeable cross-reference
interchangeable
47575Interchangeable
interchangeable cross-reference
interchangeable
17011NInterchangeable
interchangeable cross-reference
interchangeable
17011N PIECE 26Interchangeable
interchangeable cross-reference
interchangeable
190-4365-003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 185553R1?
185553R1 is a PLUNGER.
What parts can replace 185553R1?
There are 6 known substitutes for 185553R1: LA91219, 91219, 47575 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 185553R1?
185553R1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-146-0543. This indicates validated use in U.S. government and defense supply chains.
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