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XLB55 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR AND PLASTIC POLYAMIDE NYLON BODY, nominal_width: 0.250 INCHES IN, style_designator: POSITIVE DRIVE, surface_condition: SMOOTH OVERALL, nominal_pitch_length: 12.870 INCHES IN, strengthening_feature: GLASS CORD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3030-00-716-7894, 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
XLB55
NSN: 3030-00-716-7894
FSC: 3030
CAGE: 04590 — LOS ANGELES RUBBER COMPANY DBA MECHANICAL DRIVES AND BELTING (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR AND PLASTIC POLYAMIDE NYLON BODY
nominal_width0.250 INCHES IN
style_designatorPOSITIVE DRIVE
surface_conditionSMOOTH OVERALL
nominal_pitch_length12.870 INCHES IN
strengthening_featureGLASS CORD
nominal_pitch_distance0.234 INCHES IN
drive_type_and_quantity55 TEETH
environmental_protectionHEAT RESISTANT AND OIL RESISTANT
NSN3030-00-716-7894
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COIL,RADIO FREQUENCY TITLE COMPONENT PN XLB55 MFR COIL,RADIO FREQUENCY
KEY FEATURES
•
STYLE DESIGNATOR: POSITIVE DRIVE
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR AND PLASTIC POLYAMIDE NYLON BODY
•
NOMINAL PITCH LENGTH: 12.870 INCHES IN
•
NOMINAL PITCH DISTANCE: 0.234 INCHES IN
•
STRENGTHENING FEATURE: GLASS CORD
•
ENVIRONMENTAL PROTECTION: HEAT RESISTANT AND OIL RESISTANT
•
DRIVE TYPE AND QUANTITY: 55 TEETH
•
NOMINAL WIDTH: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPOSITIVE DRIVE
MATERIALRUBBER CHLOROPRENE CLASS CR AND PLASTIC POLYAMIDE NYLON BODY
NOMINAL PITCH LENGTH12.870 INCHES IN
NOMINAL PITCH DISTANCE0.234 INCHES IN
STRENGTHENING FEATUREGLASS CORD
ENVIRONMENTAL PROTECTIONHEAT RESISTANT AND OIL RESISTANT
DRIVE TYPE AND QUANTITY55 TEETH
NOMINAL WIDTH0.250 INCHES IN
SURFACE CONDITIONSMOOTH OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
921635Interchangeable
interchangeable cross-reference
interchangeable
44055Interchangeable
interchangeable cross-reference
interchangeable
TB-C-42Interchangeable
interchangeable cross-reference
interchangeable
629Interchangeable
interchangeable cross-reference
interchangeable
9177Interchangeable
interchangeable cross-reference
interchangeable
TC9177Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is XLB55?
XLB55 is a COIL,RADIO FREQUENCY.
What parts can replace XLB55?
There are 13 known substitutes for XLB55: 921635, 44055, TB-C-42 and 10 more. Substitute compatibility should be verified for your specific system.
Is XLB55 still available?
XLB55 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026