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691583 ✓ 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 INSERT,ENGINE VALVE SEAT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, overall_height: 0.252 INCHES NOMINAL IN, hardness_rating: 55.0 ROCKWELL C MAXIMUM FACE, style_designator: PLAIN, seat_angle_in_deg: 0.750 NOMINAL, body_inside_diameter: 1.130 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 5360-00-265-5859, 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
691583
NSN: 5360-00-265-5859
FSC: 5360
CAGE: 15605 — EATON CORP OPNS & TECHNICAL CENTER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
overall_height0.252 INCHES NOMINAL IN
hardness_rating55.0 ROCKWELL C MAXIMUM FACE
style_designatorPLAIN
seat_angle_in_deg0.750 NOMINAL
body_inside_diameter1.130 INCHES NOMINAL IN
body_outside_diameter1.341 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN5360-00-265-5859
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,ENGINE VALVE SEAT TITLE COMPONENT PN 691583 MFR INSERT,ENGINE VALVE SE
KEY FEATURES
•
INSIDE DIAMETER: 1.432 INCHES NOMINAL IN
•
COIL HELIX DIRECTION: RIGHT-HAND
•
SPRING FREE OUTSIDE DIAMETER: 1.770 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
COIL QUANTITY: 6-1/2
•
END STYLE: SPRING END,PLAIN BOTH ENDS
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 2.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER1.432 INCHES NOMINAL IN
COIL HELIX DIRECTIONRIGHT-HAND
SPRING FREE OUTSIDE DIAMETER1.770 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
COIL QUANTITY6-1/2
END STYLESPRING END,PLAIN BOTH ENDS
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH2.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
21612Interchangeable
interchangeable cross-reference
interchangeable
691583Interchangeable
interchangeable cross-reference
interchangeable
JHP13-101Interchangeable
interchangeable cross-reference
interchangeable
508-2-4M1PC38Interchangeable
Same NIIN cross-reference
interchangeable
A6902CD10PC3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 691583?
691583 is a INSERT,ENGINE VALVE SEAT.
What parts can replace 691583?
There are 5 known substitutes for 691583: 21612, 691583, JHP13-101 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 691583?
691583 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5360-00-265-5859. 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