PartsTable
Technical Data Sheet
PartsTable / MRO / 26889
26889 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

GUIDE,ENGINE POPPET VALVE TAPPET. Key specifications include color: YELLOW, body_material: METAL, inclosure_type: ENCASED, overall_length: 3.500 INCHES NOMINAL IN, overall_diameter: 0.9 MILLIMETERS NOMINAL MM, special_features: LATEX FREE; SILICONIZED; TRANSPARENT PLASTIC HUB; PENCIL POINT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-01-170-0509, 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
MRO→ MRO_GENERAL→ 26889
NSN: 5915-01-170-0509
FSC: 5915
CAGE: 93306 — VIANT COLLEGEVILLE LLC (USA)
SPECIFICATIONS
colorYELLOW
body_materialMETAL
inclosure_typeENCASED
overall_length3.500 INCHES NOMINAL IN
overall_diameter0.9 MILLIMETERS NOMINAL MM
special_featuresLATEX FREE; SILICONIZED; TRANSPARENT PLASTIC HUB; PENCIL POINT
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
unpackaged_unit_weight30.0 GRAMS NOMINAL G
end_item_identification3895-01-151-2749
reference_frequency_per_function2.8 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
frequency_band_width_per_function454.00 MEGAHERTZ BLANK AND 5.40 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
input_impedance_per_function_w/load50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
NSN5915-01-170-0509
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GUIDE,ENGINE POPPET VALVE TAPPET TITLE COMPONENT PN 26889 MFR GUIDE,ENGINE POPPET VA
KEY FEATURES
•
INPUT IMPEDANCE PER FUNCTION W/LOAD: 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
•
DISCRIMINATION AT SPECIFIED FREQUENCIES PER FUNCTION IN DECIBELS: 3.0 MAXIMUM BLANK AND 50.0 MINIMUM BLANK AND 10.50 MINIMUM BLANK FIRST FUNCTION
•
SPECIFIED FREQUENCIES OF DISCRIMINATION PER FUNCTION: 454.00 MEGAHERTZ BLANK AND 5.40 GIGAHERTZ BLANK AND 10.00 GIGAHERTZ BLANK AND 10.50 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
UNPACKAGED UNIT WEIGHT: 30.0 GRAMS NOMINAL G
•
FREQUENCY BAND WIDTH PER FUNCTION: 454.00 MEGAHERTZ BLANK AND 5.40 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
•
INSERTION LOSS AT REFERENCE FREQUENCY PER FUNCTION IN DECIBELS: 0.6 BLANK LOCATION NOT OTHERWISE SPECIFIED
•
PRINCIPAL CIRCUITRY TYPE PER FUNCTION: INDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED
•
VOLTAGE STANDING WAVE RATIO PER FUNCTION: 1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
INPUT IMPEDANCE PER FUNCTION W/LOAD50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
DISCRIMINATION AT SPECIFIED FREQUENCIES PER FUNCTION IN DECIBELS3.0 MAXIMUM BLANK AND 50.0 MINIMUM BLANK AND 10.50 MINIMUM BLANK FIRST FUNCTION
SPECIFIED FREQUENCIES OF DISCRIMINATION PER FUNCTION454.00 MEGAHERTZ BLANK AND 5.40 GIGAHERTZ BLANK AND 10.00 GIGAHERTZ BLANK AND 10.50 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
UNPACKAGED UNIT WEIGHT30.0 GRAMS NOMINAL G
FREQUENCY BAND WIDTH PER FUNCTION454.00 MEGAHERTZ BLANK AND 5.40 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
INSERTION LOSS AT REFERENCE FREQUENCY PER FUNCTION IN DECIBELS0.6 BLANK LOCATION NOT OTHERWISE SPECIFIED
PRINCIPAL CIRCUITRY TYPE PER FUNCTIONINDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED
VOLTAGE STANDING WAVE RATIO PER FUNCTION1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED
INCLOSURE TYPEENCASED
MAXIMUM DIELECTRIC WITHSTANDING DC VOLTAGE400.0 VOLTS AT SEA LEVEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
L1024Interchangeable
interchangeable cross-reference
interchangeable
555-3/4Interchangeable
interchangeable cross-reference
interchangeable
55182Interchangeable
interchangeable cross-reference
interchangeable
5254-0750Interchangeable
interchangeable cross-reference
interchangeable
0L1024Interchangeable
interchangeable cross-reference
interchangeable
A50099Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26889?
26889 is a GUIDE,ENGINE POPPET VALVE TAPPET. It is classified as a MRO (MRO_GENERAL).
What parts can replace 26889?
There are 23 known substitutes for 26889: L1024, 555-3/4, 55182 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26889?
26889 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5915-01-170-0509. 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