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P198 ✓ 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

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include material: RUBBER SEAL, design_type: NONREUSABLE, body_diameter: 3.625 INCHES NOMINAL IN, flow_direction: OUTSIDE IN, style_designator: CYLINDRICAL W/ CONTAINER (RIGID), body_overall_length: 7.000 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 2805-00-299-0058, 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
P198
NSN: 2805-00-299-0058
FSC: 2805
CAGE: 82913 — SAFEGUARD ENGINE PARTS INC SUB OF SAFEGUARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialRUBBER SEAL
design_typeNONREUSABLE
body_diameter3.625 INCHES NOMINAL IN
flow_directionOUTSIDE IN
style_designatorCYLINDRICAL W/ CONTAINER (RIGID)
body_overall_length7.000 INCHES NOMINAL IN
body_inside_diameter1.875 INCHES NOMINAL IN
filtering_media_designPLEATED SINGLE FILTERING MEDIA RESPONSE
end_item_identificationAN/WRR-7 COMMUNICATIONS SYSTEMS. SUBMARINE COMMUNICATIONS AND ANTENNA SYSTEMS. TARAWA CLASS LHA, WASP CLASS LHD.
media_for_which_designedFUEL/OIL, HYDROCARBON
NSN2805-00-299-0058
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN P198 MFR PISTON,INTERNAL COMBUS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
329PInterchangeable
interchangeable cross-reference
interchangeable
SL5292PC31Interchangeable
interchangeable cross-reference
interchangeable
255293-11Interchangeable
interchangeable cross-reference
interchangeable
954PInterchangeable
interchangeable cross-reference
interchangeable
2178362Interchangeable
interchangeable cross-reference
interchangeable
7342568Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P198?
P198 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace P198?
There are 15 known substitutes for P198: 329P, SL5292PC31, 255293-11 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P198?
P198 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-299-0058. 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