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55-0258 ✓ 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 55-0258 is a the manufacturer industrial component. Key specifications include bore_shape: STRAIGHT BOTH ENDS, bore_length: 0.7250 INCHES NOMINAL FIRST END IN, design_type: BONDED RUBBER, bore_diameter: 0.4375 INCHES NOMINAL SECOND END IN, document_type: CATALOG SHEET, overall_length: 4.125 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 5935-01-104-8053, 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
55-0258
NSN: 5935-01-104-8053
FSC: 5935
CAGE: 61510 — THERMO KING CORPORATION DBA PHOENIX GLOBAL DISTIRBUTION. (USA)
SPECIFICATIONS
bore_shapeSTRAIGHT BOTH ENDS
bore_length0.7250 INCHES NOMINAL FIRST END IN
design_typeBONDED RUBBER
bore_diameter0.4375 INCHES NOMINAL SECOND END IN
document_typeCATALOG SHEET
overall_length4.125 INCHES NOMINAL IN
document_source54TC1
securing_methodCOMPRESSION BOTH ENDS
outside_diameter1.135 INCHES NOMINAL IN
special_featuresDIMENSIONS: WIDTH: 16"; DIAMETER: 27"; HEIGHT: 13"
component_document_originINDUSTRIAL
part_name_assigned_by_controlling_agencyBASEBOX
NSN5935-01-104-8053
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 55-0258 TITLE COMPONENT PN 55-0258 MFR 55-0258
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
405C18Interchangeable
interchangeable cross-reference
interchangeable
A18-3Interchangeable
interchangeable cross-reference
interchangeable
320-0621Interchangeable
interchangeable cross-reference
interchangeable
55258Interchangeable
interchangeable cross-reference
interchangeable
AGF0216Interchangeable
interchangeable cross-reference
interchangeable
55125Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-0258?
55-0258 is a 55-0258.
What parts can replace 55-0258?
There are 7 known substitutes for 55-0258: 405C18, A18-3, 320-0621 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55-0258?
55-0258 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-104-8053. 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